Tag: Piston

Ask the Editors: Honda Piston Compatibility

What a difference a year makes. Dear ATVC: I have an 84 Honda ATC250R. Will a piston from an 81-83 work on the 84? Some brands say they will and some say they don’t. We called around and couldn’t get a definitive answer for you so we turned to the tried and true method of […] More »

  Comments | By - January 13, 2019

Ask the Editors: Smoking, Screaming Zook

Dear ATVC: I got a 1983 Suzuki ALT 125 that wouldn’t run. So I rebuilt the carb, put new rings and new timing chain on it and it still smokes like crazy and takes a while to idle back down. Any ideas?? Spencer Schambach High idling is simply a matter of further fine tuning your […] More »

  Comments | By - January 30, 2017

Ask the Editors: Are All Suzuki 230s Created Equal?

Dear ATVC: Could somebody tell me if the top ends from a 1987 Suzuki Quadsport 230 and an 86 230 Quadrunner (shaft drive model) are the same? Any help is appreciated. 86230lt We spent many hours staring at OEM catalogs to determine parts compatibility and unfortunately it looks like none of the parts numbers match […] More »

  Comments | By - November 30, 2015

Ask the Editors: Checking My Piston Rings Without X-Ray Vision

Dear ATVC: I’ve got a YFZ450R and I’m a little paranoid about top-end maintenance and don’t want to blow up my engine. I ride pretty hard and race the open class on weekends. Is there any way to tell if my top end (rings specifically) are wearing or worn down without actually tearing into the […] More »

  Comments | By - September 2, 2014

Product Test: Oil to Make Engine Break In Less Painful

When it comes to engine break-in, rumors, rituals and horror stories abound. There is no denying that this is a particularly critical moment in the life-cycle of any engine on account of the fact that wear rates are at their absolute highest. Years ago when machining processes weren’t quite as refined as they are today […] More »

  Comments | By - May 2, 2013

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