RAZOR CHOPPER WITH 54cc CHAINSAW MOTOR

Razor Chopper with 54cc chainsaw motor.
Still needs some work and different gearing.

Got the bike for $40 and the chainsaw for free.
All the other bits I had laying around in the shed already.

Category:

Autos & Vehicles

Tags:

• Razor
• chopper
• chainsaw
• skull
• rat
• bike
• australia
• queensland
• dirty
• fun
• cool
• fl
• studio
• noisy
• loud
• illegal
• hairy
• alien
• nasty
• rough
• welding
• low
• homemade
• homebuilt
• homegrown
• homeblown
• tinkering
• shed
• toy
• motors
• bikes
• 2-stroke
• petrol
• lowrider
• flames
• cruising
• doof
• wroom
• waaa

[MrSkater943]

i was going 2 use the original razor sprocket and use a bike front sprocket should i or no

[hairyalien]

@MrSkater943

The Razor chain and the bike chain isn't the same size if that's what you mean...?

Look at the pics between 0:07 and 0:12 in the video.

The way I did it there was bike sprocket/chain between the motor and jackshaft, then the original Razor sprockets and chain between jackshaft and rear wheel.

That wasn't enough gear reduction though and later on I had a different setup with more reduction which worked better.

[MrSkater943]

how fast does it go?

[hairyalien]

@MrSkater943

Dunno mate never checked it.

It felt a lot faster than it was though, sitting that close to the ground.

With better gearing it could have gone a lot faster.

.

This chopper is long gone now, only ran it a few times.

.

[14cichlid]

did you use the original sprocket from the razor

[hairyalien]

Yes I did.

On this version I put a bicycle sprocket on the motor and one on the jackshaft.

Then I put the original 9 tooth sprocket on there and used the original 55 tooth on the rear wheel.

It didn't give a low enough gearing though and the clutch kept slipping.

In the second version I put a smaller sprocket on the motor, and different ones on the jackshaft.

This gave me a gearing of about 7.5:1 which meant great acceleration but lower top speed.

[doesnowork]

Nice skull. The mounts for the gearing are better than mine too.

[AussieTimberWolf]

That shit is sic man..how long did it take you to make the bastard??

[MrSkater943]

i have this chopper and a chainsaw motor with a built in clutch can you tell me what i need

[rrjhs199516]

dude thats fukin sick

[hairyalien]

Yeah it is indeed.

Shame really, it seems like it used to be quite an active forum.

Check out my RC car videos.

[shinyfuzzy]

saw u on tzi world. place is fricken dead :(