atc 250R engine mods - Off-Road Forums & Discussion Groups
Performance ATV Mods Discussion of ATV Performance Modifications.

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post #1 of (permalink) Old 02-01-2004, 11:38 AM
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atc 250R engine mods

i have a 1985 atc engine i have the cylinder bored .100 tho with a wiseco piston the cylinder has been ported and the head has been planed .15 is there ne thing else i can do to this engine for more power?like change the post timing with a spacer underthe cylinder or somthing and what should i be using for a carb?38mm? thanks
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post #2 of (permalink) Old 02-28-2004, 02:28 AM
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Re: atc 250R engine mods

I had a Trx 250r i used it in tight trails i had almost the same mods as u.

I relly liked my pipe it was a old Bills pipe front to back i also had V force reeds Thay relly gave life to the bike as for the carb i used a 86 Cr 500 carb it worked awsom almost a direct bolt on except where it pluged on to the air box
hmmm what eles........

I also cut hole in the air box lid for more flow
[email protected] power kit
barneet k5 clutch well theres some ideas hope it help

Glenn [img]images/graemlins/40BEER.gif[/img]
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