Have you asked shineray.co.uk
I don't think you can derestrict it because its 4 stroke the only way to really get it any faster is to get a 182 kit for it but then your sacrificing reliability there hope this helps :)
Hi, there is no restrictors in those bikes. I have one, and it does 70mph with no problems.
I would go with the KTM, but if you do go with the DT, here is a website that helps derestrict the bike for better performance: http://www.dtr125.net/
You cannot derestrict a PGO G MAX 125 as the restriction is built in the exhaust system within the cat in the exhaust housing so that is impossible to get at!! However YOU CAN get a relpacement exhaust system that WILL give extra torque and power which are suitable for your bike as I have got 1 for my own PGO G MAX 125!! Go to www.patternparts.net and they will sort it out for you!! I HOPE THIS ANSWERS YOUR QUESTION!
take the back section of the exhaust off and you will find a narrow pipe inside that is capped of, you can cut the coin shaped blank off with a hacksaw and this should give you more power.
Remove the ring in the inlet manifold!
change the sprockets
variator, exhaust,
dont think it can be done . they are as good as they come
because its a four sroke its not realy restricted you just need to put a bigger jet in, if possible get a better exhaut but theres a restricter in the top of the carb take it to a garage to do it as that is all i know, i cant suggest any more morris147
While a very close copy, the Jinlun 253FMM engine is only mostly compatible with the Honda CMX250 engine. The CMX250 engine uses a different (single) carburetor than the Jinlun's twin carburetor. I have also heard that the pistons of 253FMMs frequently use narrower rings (and ring grooves), so you won't be able to use Honda piston rings. With that said, the starter, transmission, counter sprocket and chain (length may vary) should be interchangeable. If you wanted, you could rebuild a 253FMM engine with real Honda parts, but you'd likely have to replace the pistons. Gasket sizes will also vary, due to the slightly altered shape of the 253FMM crankcase. Aside from the engine and drivetrain, the Jinlun is completely different from any bike Honda has ever produced.