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<blockquote data-quote="Mihylo33" data-source="post: 42534" data-attributes="member: 408">This is an interesting thread with lots of input... I ride hard MX on an 06 RM250.I rebuild my topend about every 50hrs. my cost is in the $120 area for the Wiseco piston, wristpin bearing and OEM Gaskets. I have done the topend for as low as $99... but thats a rare find.&nbsp; I also do this 2x a year sometimes.My last topend was almost $280 because I had the cylinder replated by Powerseal.&nbsp;Now when I do a total rebuild I always buy a&nbsp;new Hotrod crank $200&nbsp;piston kit $110&nbsp;OEM gasket kit $40-$80 (I shop around and buy the cheapest.)and a set of $40 Koyo/oem crank bearings,&nbsp; if they send the KBC bearings with the Hotrod kit(they usually dont)&nbsp;I throw out all the aftermarket stuff that doesnt say Koyo or Suzuki on it. Not worth the hassle.&nbsp;So for 350-400 bucks I have a totally new motor. I can add the tranny bearings and make it an even $500 and the motor is totally new...&nbsp;Now I did my last new crank in June 2008, I did install new crank bearings in 2010 because I had a crankseal go bad and I didn't want to take a chance on a hot bearing.&nbsp;&nbsp;Now I have friends that rebuild there entire bikes for about 12-1500 in parts plus motor work etc etc.... I've seen cranks go bad after 70hrs as well...I think it all depends on how hard you ride the bike and to what extremes you take your maintenance..</blockquote>

[QUOTE="Mihylo33, post: 42534, member: 408"] This is an interesting thread with lots of input... [B][I]I ride hard MX on an 06 RM250.[/I][/B] I rebuild my topend about every 50hrs. my cost is in the $120 area for the Wiseco piston, wristpin bearing and OEM Gaskets. I have done the topend for as low as $99... but thats a rare find. I also do this 2x a year sometimes. My last topend was almost $280 because I had the cylinder replated by Powerseal. Now when I do a total rebuild I always buy a new Hotrod crank $200 piston kit $110 OEM gasket kit $40-$80 (I shop around and buy the cheapest.) and a set of $40 Koyo/oem crank bearings, if they send the KBC bearings with the Hotrod kit(they usually dont) I throw out all the aftermarket stuff that doesnt say Koyo or Suzuki on it. Not worth the hassle. So for 350-400 bucks I have a totally new motor. I can add the tranny bearings and make it an even $500 and the motor is totally new... Now I did my last new crank in June 2008, I did install new crank bearings in 2010 because I had a crankseal go bad and I didn't want to take a chance on a hot bearing. Now I have friends that rebuild there entire bikes for about 12-1500 in parts plus motor work etc etc.... I've seen cranks go bad after 70hrs as well... I think it all depends on how hard you ride the bike and to what extremes you take your maintenance.. [/QUOTE]

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