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feralkid
The Day Starts With OZATV !
Joined: 29 Oct 2007
Posts: 1567
Location: North Western Victoria
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 Posted: Thu Dec 30, 2010 8:07 pm Post subject: Crank and piston (06 YFZ450) |
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I am rebuilding my bike again after finding the cam chain is nearly gunna go, so I've decided to do the whole thing while I'm at it. The guy I am getting to help me do the engine said that I should probably put a new crank in too, the engine would have around 150 hours on it. Other people have said that it shouldn't need one. What is everyone else's opinion? Also what brand piston would you all recomend?
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Clarkie
The Day Starts With OZATV !
Joined: 26 Jan 2009
Posts: 1138
Location: Mildura VIC
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| Posted: Thu Dec 30, 2010 8:52 pm Post subject: |
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CP and do the crank
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feralkid
The Day Starts With OZATV !
Joined: 29 Oct 2007
Posts: 1567
Location: North Western Victoria
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| Posted: Fri Dec 31, 2010 5:22 pm Post subject: |
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Also anyone had anything to do with putting a WR crank in? Fair few of the americans do it because apparently they are lighter and rev easier.
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"If in doubt go flat out"
"Nothing worth having is easy to get" |
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JONO
Roostin Away
Joined: 27 Sep 2007
Posts: 530
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| Posted: Sun Jan 02, 2011 2:26 pm Post subject: |
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| yeah i've heard of a few people doing that with the wr crank, supposedly it works well. |
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PeteW
Moderator
Joined: 09 Feb 2006
Posts: 1877
Location: Doreen, Vic
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| Posted: Thu Jan 13, 2011 9:36 pm Post subject: |
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| feralkid wrote: | | Also anyone had anything to do with putting a WR crank in? Fair few of the americans do it because apparently they are lighter and rev easier. |
can also turn it into a hand grenade..... stick with the proper one and yes if your at 150 do the crank and main bearings.
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feralkid
The Day Starts With OZATV !
Joined: 29 Oct 2007
Posts: 1567
Location: North Western Victoria
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| Posted: Fri Jan 14, 2011 9:20 am Post subject: |
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Yeah, I didn't end up going with the WR one. Putting in a YFZ one and doing the main bearings aswell.
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"If in doubt go flat out"
"Nothing worth having is easy to get" |
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Dirt Demon
90cc 2 stroke / 110 4 stroke
Joined: 14 Aug 2009
Posts: 54
Location: Perth
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| Posted: Tue Feb 01, 2011 12:08 pm Post subject: |
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good choice if your gonna split the block replace all servicable parts with new then you'll know it will last you out. The price for knowing you did it right pays its self of in reassurance.
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adrenaline junky... |
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feralkid
The Day Starts With OZATV !
Joined: 29 Oct 2007
Posts: 1567
Location: North Western Victoria
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| Posted: Tue Feb 01, 2011 12:35 pm Post subject: |
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Thought we did it right but it has done a head gasket already. Not happy at all. 
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"If in doubt go flat out"
"Nothing worth having is easy to get" |
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Dirt Demon
90cc 2 stroke / 110 4 stroke
Joined: 14 Aug 2009
Posts: 54
Location: Perth
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| Posted: Tue Feb 01, 2011 2:48 pm Post subject: |
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bugger!
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adrenaline junky... |
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