What are some ways to de-restrict a 100cc two stroke quad bike?

Question by Mitch T: What are some ways to de-restrict a 100cc two stroke quad bike?
It is an apache 100cc 2 stroke engine which has had the throttle re stricter removed, that is the only mod that has been done to the bike.

Basically i just wondering if they are any other ways to get me a higher top speed?

Best answer:

Answer by junior
There may be a restricter washer in the exhaust head pipe. Remove the exhaust from the cylinder head and look for a piece that looks like a washer.

Also, the manufacturer sometimes installs an ignition module that has a rev limiter. There are “no rev limit” modules available that will increase the top speed, but I’m not familiar with your bike, so I don’t know where to find one.

What do you think? Answer below!

1 Comment
  1. Reply
    tractorman1414 May 26, 2013 at 5:09 am

    There could be a fuel intake restrictor on the carb.

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