Razor pocket rocket sprocket mod - Pocket Bike Forum - Mini Bikes
 
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post #1 of 7 (permalink) Old 05-12-2011 Thread Starter
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Razor pocket rocket sprocket mod

Hey guys I was wondering where I can change the sprocket on my pr200, do I change it in the back or on the motor? Can you guys please give me details on how many teeth this sprocket has, and how many teeth I need to make it faster. If you can please post a link.
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post #2 of 7 (permalink) Old 05-13-2011
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Re: Razor pocket rocket sprocket mod

front would be easier.

Dropping or adding 1 tooth is +/-3 in the rear

Dropping - better accel
Adding - better top speed

We dont need to tell ya the sprocket count, Im sure you can count it
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post #3 of 7 (permalink) Old 05-13-2011
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Re: Razor pocket rocket sprocket mod

Quote:
Originally Posted by rampotown View Post
Hey guys I was wondering where I can change the sprocket on my pr200, do I change it in the back or on the motor? Can you guys please give me details on how many teeth this sprocket has, and how many teeth I need to make it faster. If you can please post a link.
X-TREME XP700 SCOOTER PARTS It is the xp700 sprocket the lowest tooth #25 chain wheel sprocket that I could find unless you get one custom made.Trippin you are right about adding teeth with the front sprocket would be better but unless you get a custom made sprocket,there is no motor sprockets that would fit the stock motor.Also the pr200 has a 55 tooth rear sprocket and a 11 tooth front.

Wheelie for speed
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post #4 of 7 (permalink) Old 05-13-2011 Thread Starter
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Re: Razor pocket rocket sprocket mod

by how much would that boost my top speed?
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post #5 of 7 (permalink) Old 05-13-2011
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Re: Razor pocket rocket sprocket mod

Rampotown check here for parts. > Razor PR200 Pocket Rocket Electric Pocket Bike Parts - ElectricScooterParts.com

There are plenty of front & rear sprockets that will work with your bike on this link. > Electric Scooter Sprockets - ElectricScooterParts.com

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post #6 of 7 (permalink) Old 05-14-2011
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Re: Razor pocket rocket sprocket mod

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Originally Posted by rampotown View Post
by how much would that boost my top speed?

Try this to figure out your top speed when you change sprockets

Minimoto Garage - East Coast Minimoto Speed Calculator
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post #7 of 7 (permalink) Old 05-14-2011
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Re: Razor pocket rocket sprocket mod

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Originally Posted by rampotown View Post
by how much would that boost my top speed?
It would boost your top speed 1-3 mph,realy you would be better off tuning(rotating the brush plate) on your motor, getting the sprocket custom made but you would be better off just adding a extra 12 7amp battery because that 44 tooth sprocket would not destroy your speed on take off.If you get one custom made you custom made that for example a 30 tooth sprocket and that would destroy your take off speed.

Wheelie for speed
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