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is this any good?
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Posted: 08/16/09
01:26 PM
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is this piston a rings kit any good or should i get the wiseco kit?
http://www.rockymountainatvmc.com/productDetail.do?&allVehParts=true&navType=type&webTypeId=201&navTitle=Engine&webCatId=17&prodFamilyId=17756#vehicleSelect
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Mark47mx
Guru
| Posts: 989
| Joined: 03/09
Posted: 08/16/09
02:37 PM
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PRO-X are basically OEM replacement so it is a good piston. The are cast where as wiseco are forged.
Without getting into a lot of detail on the advantages cast and forged here is the basics:
-cast are easy to break in and don't require the bike to be warm up a long time before each ride that is why the oem's use them. The big disadvantage is that if your bike detonates it can crack or blow the top off a cast piston.
-Forge pistons withstand detonation very well, but require you to warm them up before each ride.
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Colorado
2006 RM-250
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Posted: 08/16/09
05:53 PM
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Yeah i would def go with the wiseco, I run one in my 520 and it been in there for over a year and the bike starts easy and still oozes power, i believe the wiseco is roughly 60 bucks more, its well worth it. Forged is better than cast imo, and hey whats waiting a few mins before you ride to let the motor warm up.
IBEW LOCAL 697 1st year apprentice, fuels my passion of riding.
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Posted: 08/16/09
06:09 PM
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but i mean the bikes starts first kick just about every time but it lacks the top end power
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Posted: 08/16/09
06:46 PM
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 RiDeOrAnGe09:
but i mean the bikes starts first kick just about every time but it lacks the top end power
yeah you need a rebuild. If its lacking the power, the top end is shot. Id go with the Wiseco.
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The only reason a four-stroke can beat a two-stroke is because of the double displacement advantage
Newaygo, Michigan
1996 RM125
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