Easy Method to Start a Motorized Bicycle Without Pedaling
Starting a motorized bicycle is often synonymous with a bit of leg work, but what if we could skip the cardio and jump straight to the rumble of the engine? I get it—those initial pedals can feel like a mini workout before the ride even begins.
After extensive research and hands-on experimentation, I’ve mapped out simple steps to kickstart your journey without ever touching the pedal. This guide is your shortcut to smooth starts; buckle up as we throttle into an easier way to hit the road!
Key Takeaways:
- Installing a pull start mechanism lets you start your motorized bicycle without pedaling.
- Before using a pull start, remove the pedals and any unnecessary parts from the bike to prepare it for motorization.
- The 79cc Predator engine is perfect for motorized bikes because of its power and size.
- Removing the governor from an engine can make the bike faster, but be sure to follow safety steps when doing so.
- After modifying your bike and engine, test everything carefully to make sure it runs smoothly.
Engine Type | 79cc Predator Engine |
---|---|
Type | 4-stroke |
Power Output | Less than 4 horsepower |
RPM | Around 5000 |
Characteristics | Clean, smooth operation |
Common Use | Motorized bicycles |
Understanding the Basics of a Motorized Bicycle:
Diving into the world of motorized bicycles reveals an intricate dance between manual pedaling and mechanical power—let’s peel back the layers to see how they work in tandem.
This foundational knowledge is our first gear shift as we journey towards kickstarting these machines without breaking a sweat.
The Role of Pedals in Motorized Bicycles:
Pedals on motorized bicycles give you a choice. If the motor is off, you can pedal like a normal bike. But sometimes, you want to start your ride without hard work. That’s where things get exciting.
In Arizona, they see gas bikes as something special. They mix pedaling with extra power from a helper motor. No more sweating up hills! And when the engine takes over, those pedals just go along for the ride—no drag, no fuss.
Just easy cruising with wind in your hair and power at your fingertips.
Common Issues with Bicycle Pedaling System:
Bike pedaling problems can be a real headache. Chains often slip, get rusty or break. Gears can be hard to shift, especially if the derailleur is bent or not adjusted right. Sometimes pedals themselves crack or come loose.
This makes for a rough and unsafe ride. Plus, on e-bikes with both motors and pedals, these issues can mess up how the motor helps you go faster.
But I’ve got good news! If your motorized bike has pedal troubles, you don’t have to use them to start moving. You can add something called a pull start mechanism. It lets you fire up the engine just like starting a lawn mower – with a simple pull cord.
So let’s dive into how this cool gadget works and say goodbye to pedal pain for good!
Importance of a Pull Start Mechanism for a Motorized Bicycle:
Ever tried to kickstart a motorized bike and ended up huffing more than the engine? A pull start mechanism can be your saving grace—transforming your ride from a pedal-pushing slog into a breeze of a start.
Let’s dive in, shall we?.
Definition and Function of Pull Start Mechanism:
A pull start mechanism is like a magic rope for my motorized bicycle. I give it a strong pull and, just like that, the engine roars to life without my feet ever touching the pedals.
This handy device hooks up to the engine. When I yank on the rope, it spins parts inside the engine fast enough to get everything moving and start the combustion process.
So even if I’m in too much of a hurry or just don’t feel like pedaling, this little trick gets me going with no sweat! It’s super useful because it means less work for me and an instant start every time.
How Pull Start Mechanism Replaces Pedaling:
Pedaling to start a motorized bike can be tough, especially when you’re in a hurry or feeling tired. That’s where the pull start comes in. It’s a handy tool that lets you fire up your engine with just a simple pull of a cord.
This means no more struggling to pedal fast and get the engine going.
With a pull start kit, I can quickly get my bike running without breaking a sweat. All I do is yank on the handle attached to a rope, which spins the motor’s crankshaft and starts it up.
It saves energy and time, making rides smoother right from the beginning!
Step-by-Step Guide to Installing a Pull Start Mechanism:
Ready to ditch the pedaling and kickstart your ride with ease? Our guide on installing a pull start mechanism will have your motorized bicycle roaring to life with just a simple tug—let’s dive into the nitty-gritty and get those engines purring.
Assembling the Necessary Tools and Parts:
Before we can put in a pull start mechanism, let’s gather our gear and parts. You’ll need some basic tools: a wrench set, screwdrivers, pliers, and maybe an allen key set. Also grab any special tools the pull start kit says you should use.
Now for the parts – make sure you have the pull start kit itself. This should include all the bits that fit onto your bike.
Okay! We’ve got everything laid out here. Charts and tables from the article help us to check we’re not missing anything before we move forward. With everything ready to go, let’s get into taking off those pedal parts next.
Removing the Existing Pedaling System:
Now that we have all our tools and parts ready, it’s time to take out the old pedaling system. Let’s get your motorized bicycle one step closer to starting without pedaling!
Here’s how you do it:
- Secure your bicycle – Make sure your bike is stable. You can use a bike stand or lean it against a wall.
- Find the right wrench – Grab a pedal wrench or an adjustable wrench that fits the bolts on your pedals.
- Loosen the pedals – Turn the wrench left on the right pedal and right on the left pedal. They unscrew in opposite directions because of the way bike threads work.
- Take off the chain – Remove your bike’s chain from the front sprocket to give you more room to work.
- Unbolt the cranks – Use an Allen key or crank puller to remove bolts securing the cranks to your bike.
- Slide out cranks – After bolts are off, carefully slide out each crank arm from your bike’s bottom bracket.
- Remove chainring if needed – If it is attached with screws, take those out too.
Installing the Pull Start Mechanism:
I’m going to show you how to put a pull start on your motorized bicycle. This will let you start the engine with a quick pull, without needing to pedal.
- Find the right spot: Choose where on your bike you want the pull start to go. It should be easy to reach but out of the way of your legs and pedals.
- Get your tools ready: You will need wrenches, screwdrivers, and maybe a drill. Check the instructions that come with your pull start kit to see exactly what tools you’ll need.
- Take off parts that are in the way: Before installing the new mechanism, remove any parts that might stop it from fitting onto your bike.
- Line up the mechanism: Place the pull start where it’s supposed to go and make sure it lines up with any holes or bolts already on your bike.
- Mark it: If you need new holes for bolts, mark where they have to be drilled on your bike’s frame.
- Drill carefully: Take your time drilling any new holes. Be safe and wear goggles!
- Attach firmly: Bolt or screw the pull start onto your bicycle. Make sure all connections are tight so nothing moves while you use it.
- Connect cables: Some pull starts have cables or other parts that need connecting to your motor. Follow the instructions carefully here.
- Test it out: Give the pull cord a gentle tug to see if everything is working smoothly.
Step-by-Step Guide to Modifying the Bicycle for Motorizing:
Transforming your traditional bike into a sleek, motor-run machine requires some crafty modifications—let’s dive in.
I’ll walk you through the essentials of prepping your ride for that much-anticipated engine boost, ensuring every part aligns perfectly with the rumble of newfound power.
Stripping Unnecessary Parts off the Bicycle:
Starting a motorized bicycle without pedaling means making it lighter and more focused. You need to take off parts you won’t use anymore. Here’s how you can strip unnecessary parts off your bike:
- Take off the pedals using a wrench. These are not needed once you have a motor.
- Unscrew and remove both the front and rear derailleurs since you’ll convert the bike to single-speed.
- Pull out any derailleur cables and cable housing with pliers; they’re extra weight now.
- Use screwdrivers to loosen and slide off the old gear shifters from the handlebars.
- Lift away any kickstands; your motorized bike will rest on its own stand later.
- Remove reflectors from wheels and frame for a clean look unless you prefer them for safety.
- Unbolt water bottle holders because they might get in the way of engine parts.
- Take out the chain guard carefully with a screwdriver, so it doesn’t snag on new parts.
- If there’s a pannier rack or basket, unscrew all attachments and lift it free from the frame.
Modifying the Grip Shift:
Now that we’ve taken off the parts we don’t need, it’s time to focus on the grip shift. Altering your bicycle’s grip shift is a key step in making your ride motor-powered.
- Take apart the grip shift from your handlebars. You’ll usually find a screw holding it in place.
- Look at the pieces you’ve removed and plan how they will fit with your new setup.
- Sometimes, you need to cut or file down parts of the grip shift for better fitment.
- Make sure to leave enough space for the throttle that will control your engine speed.
- Put together a mockup with everything placed but not yet fixed permanently; this helps ensure everything fits before final assembly.
- Connect the grip shift cable back onto the modified grip shift housing, but don’t tighten it all the way just yet.
- Adjust the cable tension and make sure when you twist the grip, it moves smoothly.
Installing New Brake Levers and Grip Shifts:
I just got a new set of brake levers and grip shifts for my road bike. I’ll walk you through the process to make sure everything fits right and works smoothly.
- Remove Old Brake Levers: Carefully take off the old brake levers from your handlebars. You might need to loosen some screws or unclip cables.
- Adjust New Levers: Before installing the new ones, adjust their positioning. Check they’re at a comfortable angle for your hands.
- Position Shifters: Place the twist shifters on the handlebars. Make sure they’re within easy reach while you’re riding.
- Connect Brake Cables: Attach your brake cables to the new levers. The user’s manual has helpful tips to get this right.
- Secure Levers and Shifters: Fasten all the screws and make certain everything is tight. The levers should not move around when you press them.
- Test Brake Operation: Gently pull on each lever to ensure that brakes respond correctly. Your safety depends on proper function!
- Fine-Tune as Needed: Adjustments may be needed after a test ride to get perfect comfort and performance.
Converting the Bicycle to Single-Speed:
Converting your bike to single speed simplifies maintenance and enhances reliability. You’ll gain new skills and enjoy a smoother ride. Here’s how to do it:
- Choose the right gear ratio for your riding style and terrain.
- For flat areas, a higher gear ratio is fine.
- In hilly regions, go for a lower gear ratio.
- Remove the rear derailleur carefully.
- Unscrew the mounting bolt with an Allen key.
- Gently take off the chain from the derailleur.
- Take out the gear shifters and cables.
- Use pliers and screwdrivers as needed.
- Keep all parts organized for future use or resale.
- Decide on using either a chain tensioner or converting to a dedicated single – speed hub.
- A chain tensioner is easier to install but might need more adjustments over time.
- A single – speed hub makes for a cleaner look but requires more work initially.
- Shorten the chain to fit your chosen gear setup.
- Break the chain at the desired length with a chain breaker tool.
- Reattach using a master link or by pushing in a rivet with the tool.
- Adjust your new single – speed setup so that the chain runs straight from front to back sprocket.
- This ensures smooth operation and reduces wear on components.
- Test ride your newly converted bike to make sure everything works smoothly.
- Listen for unusual sounds that may indicate adjustment needs.
Understanding the Role of the Engine in a Motorized Bicycle:
When it comes to transforming your ride, the engine is the heart of a motorized bicycle — it’s where all the magic happens.
Diving into how a 79cc Predator engine can rev up your biking experience will not only boost performance but give you that exhilarating no-pedal start we’re gunning for.
Basics of a 79cc Predator Engine:
A 79cc Predator engine is a small but mighty heart for motorized bikes. It’s a 4-stroke engine, which means it’s cleaner and runs smoother than older 2-strokes. With this type of engine, my bike feels balanced, and I can hit speeds without too much noise or rattle.
This engine keeps running strong around 5000 rpm—that’s its happy place.
I like that the Predator gives me less than four horsepower; it’s enough to get going without being too wild for a bicycle frame. Plus, using one in my DIY projects makes me feel like I’m creating something special—it’s not just any motor; it’s the core that brings my ride to life!
Importance of Engine Modifications and Governor Removal:
Modifying your motorized bicycle’s engine is like giving it a boost of energy. It can go faster and work better with some changes. Think about how cool it would be to zoom along without working as hard! Now, let’s talk about the governor.
The governor is like a strict coach who doesn’t want the engine to have too much fun. It keeps the speed down so things don’t get out of hand. But if you take it off, your bike’s engine can show what it really can do! It’ll have more power and could even last longer because you’re using all its strengths.
Next up, we’ll dive into how to actually make these changes to your bike’s engine and get rid of that limiting governor—get ready for some hands-on work!
Step-by-Step Guide to Modifying the Engine and Removing the Governor:
Transforming your ride starts deep in the heart of the bike—the engine. Let’s dive into a crucial step: tweaking that 79cc Predator powerhouse and nixing the governor for an unbridled experience that’ll rev up more than just the motor.
Removing the Exhaust Pipe, Cooling Tin, and Gas Tank:
I know how exciting it is to tweak your motorized bicycle. Taking off the exhaust pipe, cooling tin, and gas tank is key to this transformation. Here’s how you do it step by step:
- STEP 1- First, turn off the gas valve. This keeps you safe while working.
- STEP 2- Loosen the screw that holds the exhaust pipe cap in place.
- STEP 3- Gently pull the cap off. Now your exhaust pipe is open.
- STEP 4- Find and remove all screws from the cooling tin. Keep them in a safe spot.
- STEP 5- Lift the cooling tin away from the engine. You’ll see more of your engine now.
- STEP 6- Use a wrench to slowly loosen bolts on the gas tank. Don’t rush this part.
- STEP 7- Carefully lift off the gas tank. Avoid spilling any leftover fuel.
- STEP 8- Make sure you file or grind down any sharp edges left from removing parts.
Disconnecting the Throttle Rod and Springs:
I need to make sure my motorized bicycle starts without pedaling. A key step is taking off the throttle rod and springs.
Here’s how I do it:
- First, I stop the engine and make sure it’s cool to avoid burns.
- I locate the carburetor because that’s where the throttle rod and springs are connected.
- Next, using a screwdriver, I slowly remove screws holding the throttle in place.
- I carefully pull out the rod so it doesn’t bend or break.
- The springs need gentle handling too, so they don’t lose tension or get damaged.
- Once everything is disconnected, I check for wear or damage.
- Now, I get new parts that are made for my bike’s engine type.
- Before putting in new parts, I clean the area around the carburetor.
- I attach new springs with steady hands to keep them straight.
- The throttle rod slides back into its spot with a good snug fit.
- After that, I tighten all screws back without making them too tight.
- To finish up, I test out the new setup by starting the engine.
Removing the Governor:
Taking the governor off your motorized bicycle’s engine makes it faster. It’s a big step that changes how your throttle assembly works. Here’s how you do it:
- First, turn off the engine and let it cool down.
- Now, take off the engine cover to reach the governor.
1. Get rid of the exhaust pipe:
- Find where the exhaust connects to the engine.
- Unscrew bolts or nuts holding it in place.
- Carefully pull the exhaust pipe away from the engine.
2. Take out cooling tins:
- Locate small metal pieces around the engine called cooling tins.
- Remove screws or clips that hold them on.
- Set these aside safely; you’ll put them back later.
3. Pull off the gas tank next:
- Look for connecting points where your gas tank is attached to the frame or engine.
- Use a screwdriver or wrench to loosen these connections gently.
- Lift and remove the gas tank, ensuring no spillage.
4. Detach throttle rod and springs carefully:
- Identify throttle linkage rod that connects to carburetor.
- Unhook any springs attached to this rod without damaging them.
5. Find and remove governor parts inside:
- Search for a governor arm within your engine that restricts speed; it may look like a lever or hook connected with springs and rods to other parts of your engine system.
- Carefully unhook any springs connected to this arm without stretching or bending them beyond their shape.
- Take out throttle lever assembly along with linkage rod if necessary,
- With everything disconnected, you can now remove your governor completely,
- Put everything back except for what controls the governor,
- Ensure proper reassembly of remaining components before testing,
- Start up your motorized bicycle without restrictions now in place!
Reassembling the Engine:
Putting an engine back together for a motorized bicycle is like finishing a big puzzle. It’s important to make sure everything fits right, so the bike runs smooth.
- Remove the exhaust pipe and the cooling tin carefully. This gives you clear access to the engine’s core.
- Take off the gas tank, setting it aside safely. You’ll need room to work on the engine without obstructions.
- Carefully disconnect the throttle rod and springs. These parts control how much fuel goes into your engine.
- Now it’s time to remove the governor. This piece limits how fast your motor can go, but taking it out will let your bike reach higher speeds.
- Make sure each part is clean before putting them back. Any dirt can cause problems later on.
- Follow a 59 – photo tutorial that shows every step clearly as you rebuild your 80cc engine.
- Lay out all parts on a clean surface as they come off, keeping track of each one.
- Replace any old or worn – out parts now while you have everything apart. It’ll save headaches later on.
- Start by reattaching internal components like pistons and gears first; these are crucial for running smoothly.
- Securely put back external parts including cooling tin and exhaust after internals are in place.
- Reconnect the throttle linkage. Double – check it moves freely for good acceleration when riding.
- Fill up with fresh oil if required; check that no leaks appear when you start using your bicycle again.
Final Steps for Starting a Motorized Bicycle without Pedaling:
Once you’ve meticulously installed the pull start mechanism and made the necessary engine modifications, you’re on the cusp of ignition—just mount that engine, link up your throttle, adjust your sprocket and chain setup, and get ready to experience the seamless start of your motorized bicycle that’ll have you cruising without ever needing to pedal.
Mounting the Engine:
I’m excited to tell you how to mount the engine on your motorized bicycle. Let’s dive right into the steps:
- Find a solid spot on your bike frame for the engine. It should be near the center for balance.
- Secure the engine mount brackets to the frame. Make sure they are tight and aligned.
- Place the engine onto the brackets carefully. Keep it steady and centered as you do this.
- Use bolts to attach the engine to the mounting brackets. Tighten them well, but don’t overdo it.
- Check for any movement by gently trying to shift the engine. If it moves, tighten the bolts a bit more.
- Connect fuel lines from your gas tank to the engine. Ensure they’re not kinked or leaking.
- Attach spark plug wires from your engine to the spark plug carefully. They should snap in place.
Installing the Throttle Linkage:
Hi there! I have a great tip for bikers who love motorized bicycles. If you want to ride without pedaling, you’ll need to set up a throttle linkage. It lets you control the engine speed with your hand and keep your feet still. Here’s how you get that done:
- Find the right grip shift on your handlebar – this is where you will attach the throttle cable.
- Grab the throttle cable and check it for any kinks or damage.
- Slide one end of the throttle cable through the bottom of the right grip shift.
- Secure this end firmly in place with a small bolt or screw.
- Run the rest of the cable along your bike’s frame towards the engine.
- Make sure to keep the cable away from any moving parts like chains or wheels.
- At the engine, find the throttle arm where you’ll connect your cable’s other end.
- Loop this end through the arm’s slot and tighten it to hold it steady.
- You must adjust tension so when you twist the grip, it changes engine speed smoothly.
- Test out your linkage by gently twisting the grip before starting up your bike.
Installing Rear Sprocket and Chains:
I’m going to show you how to install a rear sprocket and chains on your motorized bicycle. It’ll make your bike run smoother and faster!
- Lift the back of your bicycle using a stand or ask a friend to hold it up for you.
- Take off the rear wheel following the instructions in your Marin Owners Manual.
- Remove the old chain carefully. If it’s stuck, you might need some tools.
- Line up the new sprocket with the wheel. Make sure it sits flat against the hub.
- Use bolts to attach the sprocket securely onto the wheel. Check each bolt twice to ensure they’re tight.
- Place the rear wheel back onto your bike frame. Don’t rush; align everything just right.
- Slip on the new chain around both sprockets. It should loop over them smoothly without kinks.
- Adjust tension on the chain so there’s just a little bit of play — not too tight, not too loose.
- Spin the wheel to check if the chain moves well around both sprockets without catching or dropping.
Starting and Riding the Motorized Bicycle:
Starting a motorized bicycle without pedaling is an exciting moment. You feel the engine’s power without needing to use your legs. Here’s how you can do it:
- Make sure you’ve mounted the engine securely. This prevents any movement that could cause damage or disrupt starting.
- Check that all bolts and mounts are tight. Loose parts can lead to failures or accidents.
- Install the throttle linkage properly. It should move smoothly without sticking.
- Attach the rear sprocket and chain. Ensure they align well with no kinks or binding.
- Fill the gas tank with fuel. Use fresh gas for best performance.
- Prime the carburetor if needed. This gets gas into the system for a first start.
- Flip on the kill switch to its running position. It needs to be off so your engine can start.
- Use the pull start mechanism. Pull firmly, but don’t yank too hard.
- Listen for a smooth engine idle before riding off. Adjustments might be necessary if it sounds rough.
Final Thought:
We’ve walked through how to launch your motorized bicycle ride without any pedaling. By installing a pull start, tweaking the engine, and hooking up that throttle linkage, you’re ready to roll.
Your legs get a break while the clutch and gas spring into action. It’s all about getting set up right—then just turn on the gas, set your choke, squeeze the clutch, and hit the throttle.
Now go enjoy that breeze in your face as your motorized bike springs to life!
Also Read:
How To Start A Motorized Bicycle With A Drill? (Explained)
Easily Remove Bicycle Crank Without Puller! Step Wise Guide
Frequently Asked Questions (FAQs):
What is a motorized bicycle?
A motorized bicycle is like a regular bike, but it also has an engine or motor. This way, you can start and ride without pedaling.
How do I turn on the motor of my bike?
First, make sure your battery is charged. Then, flip the switch or push the button that starts the engine. It’s usually easy to find and use.
Does starting my motorized bicycle need special parts?
Yes! You might have something called a relay – it helps control electricity so your motor starts right when you want it to.
Why won't my bike start when I push the button?
Check if there are issues with batteries – they might be drained or not connected well.
Can I charge my bike battery at home?
Absolutely! If you’ve got a charger and wall socket ready, just hook up your battery following safe steps, and let it charge until full.
The engine turns on…but now what?
Once your engine hums to life—no pedaling needed—you’re good to go! Just handle your throttle gently to get moving smoothly.
This is Suryashankar. Uncover the essence of Wise Wheeling as I pour my heart into this chronicle. This article is more than just a collection of stories; it’s a testament to the profound love I harbor for bicycles and the unparalleled experiences they bring.