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Everything Dirt Bike
Make / Model Specific
Yamaha
1993 Yamaha WR500 Top End Inspection
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<blockquote data-quote="SRAD97750" data-source="post: 183902" data-attributes="member: 425"><p>Overall, I think it look amazing for having over 260 hours since this Wiseco piston was installed on this stock bore. This 60Hr inspection was run 32:1 KalGard w/91 octane, Jetted for little/no smoke ever, ridden in hard trails and wide open desert. Has a 3 Hr GP Race on it as well.</p><p></p><p>[ATTACH=full]24894[/ATTACH]</p><p></p><p>[ATTACH=full]24895[/ATTACH]</p><p></p><p>[ATTACH=full]24896[/ATTACH]</p><p></p><p>Some Build up, but not concerning.</p><p>[ATTACH=full]24897[/ATTACH]</p><p></p><p>Even Richness, I need to dial it in a bit...</p><p>[ATTACH=full]24898[/ATTACH]</p><p></p><p>Cylinder has some blowby stains but still perfect.</p><p>[ATTACH=full]24899[/ATTACH]</p><p></p><p>[ATTACH=full]24900[/ATTACH]</p><p></p><p>[ATTACH=full]24901[/ATTACH]</p><p></p><p>[ATTACH=full]24902[/ATTACH]</p><p></p><p>[ATTACH=full]24903[/ATTACH]</p><p></p><p>This was a new pin 60 HRs ago... Mostly oil/fuel staining from my overly rich condition.</p><p>[ATTACH=full]24904[/ATTACH]</p><p></p><p>Blow-by to the pin on both sides... These rings were new and in spec 60 Hrs ago. We'll see how far they've gone.</p><p>[ATTACH=full]24905[/ATTACH]</p><p></p><p>[ATTACH=full]24906[/ATTACH]</p><p></p><p>[ATTACH=full]24907[/ATTACH]</p><p></p><p>[ATTACH=full]24908[/ATTACH]</p><p></p><p>[ATTACH=full]24909[/ATTACH]</p><p></p><p>I am wondering if the cylinder is going to spec this time... Lots of blow-by, hoping it was just the rings wearing.</p><p>-BIG DAN<img src="https://www.dirtbikeaddicts.com/static/images/smilies/thumb.gif" class="smilie" loading="lazy" alt=":thumb:" title="Thumb :thumb:" data-shortname=":thumb:" /></p></blockquote><p></p>
[QUOTE="SRAD97750, post: 183902, member: 425"] Overall, I think it look amazing for having over 260 hours since this Wiseco piston was installed on this stock bore. This 60Hr inspection was run 32:1 KalGard w/91 octane, Jetted for little/no smoke ever, ridden in hard trails and wide open desert. Has a 3 Hr GP Race on it as well. [ATTACH=full]24894[/ATTACH] [ATTACH=full]24895[/ATTACH] [ATTACH=full]24896[/ATTACH] Some Build up, but not concerning. [ATTACH=full]24897[/ATTACH] Even Richness, I need to dial it in a bit... [ATTACH=full]24898[/ATTACH] Cylinder has some blowby stains but still perfect. [ATTACH=full]24899[/ATTACH] [ATTACH=full]24900[/ATTACH] [ATTACH=full]24901[/ATTACH] [ATTACH=full]24902[/ATTACH] [ATTACH=full]24903[/ATTACH] This was a new pin 60 HRs ago... Mostly oil/fuel staining from my overly rich condition. [ATTACH=full]24904[/ATTACH] Blow-by to the pin on both sides... These rings were new and in spec 60 Hrs ago. We'll see how far they've gone. [ATTACH=full]24905[/ATTACH] [ATTACH=full]24906[/ATTACH] [ATTACH=full]24907[/ATTACH] [ATTACH=full]24908[/ATTACH] [ATTACH=full]24909[/ATTACH] I am wondering if the cylinder is going to spec this time... Lots of blow-by, hoping it was just the rings wearing. -BIG DAN:thumb: [/QUOTE]
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Everything Dirt Bike
Make / Model Specific
Yamaha
1993 Yamaha WR500 Top End Inspection
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