Honda C90 Race engine service PLOP Enduro

Things have moved on from tuning the original 3 speed C90 engine, we can now offer the CR3 close ration geared engine, the problem with the original 3 speed is the gap between 2^nd & 3^rd. second is too low to select from 3^rd unless you are as low as 20 mph, the CR3 engine you can click down from 3 to 2^nd at 30 mph without locking up the back wheel.

See part number 5430 for the new CR3 engine and all its tuning options

Honda C90 Race engine service PLOP Enduro Send us your engine

Hello We offer a tuning service for your stock 12V C90 engine from a generally worn out 5 bhp to a 9 bhp little monster.

The above is based on running a PZ19 carb with 15mm slide

What we do as our base kit provided your bottom end is good.

1.    Fit a new 47mm cylinder with our High comp piston

2. Fit a new E22 RED TAG tuned head STR cam

3. Fit our VMR 118 complete ignition system Half the weight flywheel

4.  Box it up and send it back!

This is a tried and tested set up, worth getting your bike on a dyno for final set up.

As a rule with free flowing exhaust and foam filter 80 to 85 main stock pilot