Re: Help needed regarding performance mods on R15 V2

After you finish all your mods try to find a guy who can re map your ECU

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Re: Help needed regarding performance mods on R15 V2

Also ask the guy if he can hook you up with bigger valves and high lift cams since your planning on changing your head.

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Re: Help needed regarding performance mods on R15 V2

Also note that the company keeps too much of clearance between the liner and piston to avoid amatures from ceasing their engines on the first day. If you are patient and are willing to ride your bike for 1000kms at around 40kmph and the next 1500kms at not more than 60 you should overhaul your engine
What I mean is you should go for a first over size piston and tell the guy to keep as low clearance as possible but the piston shouldnt be too tight in the block too.
If you go to an experienced fabricator/turner he will know how much is the minimum possible clearance
And this will also increase your volume of your engine as well as your compression ratio by a fraction

If you want to increase your compression ratio you can get your head faced but calculations have to be made inorder to prevent your valves from touching the piston

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