Best tips before the build.

lewdog7431

Active Member
Feb 13, 2019
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This is a bike I built to race a fellow motorbicyclist , not much to it basic bolt on parts and a few bucks,, so my first build was the punisher kit complete with bike and wow like a new toy,, but so to the laws of nature and wear and tear I've taken the motor after I broke it ,the rings seized, anyway it's a zeda 40mm crank so high pin piston with the skirt trimmed up for intake ported polished cylinder hi top gt6 head acceell hi suppression 8mm silicon spark plug wire with the stock cdi BIG DIFFERENCE for sure Ngk plug ,21mmpwk with power jet works wonders mags so no more broken spikes
 

Tony01

Well-Known Member
Nov 28, 2012
1,432
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sf bay area
Buy a moped or small motorcycle instead, and customize it. Ie start with a proven platform. If you want a never ending headache then motorized bikes are for you.
 
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lewdog7431

Active Member
Feb 13, 2019
155
96
28
46
This is a bike I built to race a fellow motorbicyclist , not much to it basic bolt on parts and a few bucks,, so my first build was the punisher kit complete with bike and wow like a new toy,, but so to the laws of nature and wear and tear I've taken the motor after I broke it ,the rings seized, anyway it's a zeda 40mm crank so high pin piston with the skirt trimmed up for intake ported polished cylinder hi top gt6 head acceell hi suppression 8mm silicon spark plug wire with the stock cdi BIG DIFFERENCE for sure Ngk plug ,21mmpwk with power jet works wonders mags so no more broken spikes
20191028_134229.jpg
 

lewdog7431

Active Member
Feb 13, 2019
155
96
28
46
Here's a good tip make sure you want the right size sprocket on the rear end because changing it out take us a little hassle gotta have the right tools chain breaker patience plenty of beer but as all things go put that mother fucker together and and get to spin your wheels
20191201_211348.jpg
20191201_211403.jpg
 

lewdog7431

Active Member
Feb 13, 2019
155
96
28
46
Here's a good tip make sure you want the right size sprocket on the rear end because changing it out take us a little hassle gotta have the right tools chain breaker patience plenty of beer but as all things go put that mother fucker together and and get to spin your wheels View attachment 103017 View attachment 103018
I forgot what I was going to say so anyways I went from a 56 down to a 48 tooth sprocket and do a little slit goes a little slow with a5602 slow drives me crazy I got to step it up a little bit so it's a little smaller sprocket still pulls but it works it's a little chain modification and I'll be rolling in no time just a little bit of update
 

Yang07

New Member
Aug 22, 2021
6
2
3
36
Step-by-Step Instructions for Building a Motorized Bicycle From Scratch: Choosing the right bike is important! The bicycle frame must have a triangle space. Then choose any engine kit of your choosing. Install the engine from the bike motor kit between the bike’s frames. Use the mounting bracket of the engine and bolts to fit it on the bike’s frame correctly. Use a ring spanner to loosen the two rear wheel nuts. Then, remove the back wheel sprocket’s chain. Place a rubber bush on both sides of the tire’s shaft. Install the included sprocket in the bicycle motor kit on the rear wheel shaft. The screws must be inserted inside the sprocket. Attach the spark plug to the top of an engine by turning it. Assemble the clutch on the left side of the handlebar. Attach the drive chain to carry the power from the engine to the rear wheel. Set up the accelerator for the bicycle on the right side of the handlebar. Install everything else as normal. A carburetor, a gas tank, a muffler,...
 

Yang07

New Member
Aug 22, 2021
6
2
3
36
Step-by-Step Instructions for Building a Motorized Bicycle From Scratch: Choosing the right bike is important! The bicycle frame must have a triangle space. Then choose any engine kit of your choosing. Install the engine from the bike motor kit between the bike’s frames. Use the mounting bracket of the engine and bolts to fit it on the bike’s frame correctly. Use a ring spanner to loosen the two rear wheel nuts. Then, remove the back wheel sprocket’s chain. Place a rubber bush on both sides of the tire’s shaft. Install the included sprocket in the bicycle motor kit on the rear wheel shaft. The screws must be inserted inside the sprocket. Attach the spark plug to the top of an engine by turning it. Assemble the clutch on the left side of the handlebar. Attach the drive chain to carry the power from the engine to the rear wheel. Set up the accelerator for the bicycle on the right side of the handlebar. Install everything else as normal. A carburetor, a gas tank, a muffler,...
Enjoy your DIY motorized bicycle made from scratch. Be safe on your ride.