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<blockquote data-quote="SRAD97750" data-source="post: 90122" data-attributes="member: 425">Not that anyone is wrong, but IMHOSteel is able to be worked for cheap. $30 bore and hone jobs. Back on the road... You can get 3-5 bore jobs before replacement.Nikasil is $275 each time. Sure it &quot;tranfers heat better&quot; and &quot;lasts longer.&quot; BUT, one little nick and it's wasted. Is it 5 times better? NO.&nbsp;<img src="https://www.dirtbikeaddicts.com/static/images/smilies/focus.gif"&nbsp; class="smilie" loading="lazy" alt=":focus:" title="Focus&nbsp; &nbsp; :focus:" data-shortname=":focus:" />I think we are missing some underlying issue here.&nbsp;1. Won't start2. Carb is clean3. Piston looks like a rat chewed on it (detonation/lean mix)4. Oil in stator housing5. Intake boot in useable condition (I hope, most damage is undetectable to the eye)&nbsp;THESE ADD UP TO CRANK SEALS...&nbsp;You MUST replace that piston and check your cylinder walls. While it's apart, crank seals, bearings, and possible trans seals.It's worth it while it's apart. Good luck.</blockquote>

[QUOTE="SRAD97750, post: 90122, member: 425"] Not that anyone is wrong, but IMHO Steel is able to be worked for cheap. $30 bore and hone jobs. Back on the road... You can get 3-5 bore jobs before replacement. Nikasil is $275 each time. Sure it "tranfers heat better" and "lasts longer." BUT, one little nick and it's wasted. Is it 5 times better? NO. :focus: I think we are missing some underlying issue here. 1. Won't start 2. Carb is clean 3. Piston looks like a rat chewed on it (detonation/lean mix) 4. Oil in stator housing 5. Intake boot in useable condition (I hope, most damage is undetectable to the eye) [B][I][U][U][COLOR=#ff6600]THESE ADD UP TO CRANK SEALS...[/COLOR][/U][/U][/I][/B] You MUST replace that piston and check your cylinder walls. While it's apart, crank seals, bearings, and possible trans seals. It's worth it while it's apart. Good luck. [/QUOTE]

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