Can I use an 86 YZ250 cylinder on an 87 YZ250 - Dirt Bike Forums at Dirt Rider Magazine

Can I use an 86 YZ250 cylinder on an 87 YZ250

  
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Can I use an 86 YZ250 cylinder on an 87 YZ250

 
AZdirt AZdirt
New User | Posts: 1 | Joined: 11/09
Posted: 11/06/09
10:19 AM

I found that the prefix on the part numbers for an 86 and 87 are different but I would like to know if the 86 cylinder will work on an 87 YZ250. Thanks  

 
DLHamblin DLHamblin
Administrator | Posts: 4205 | Joined: 03/05
Posted: 11/06/09
11:01 AM

AZdirt:
I found that the prefix on the part numbers for an 86 and 87 are different but I would like to know if the 86 cylinder will work on an 87 YZ250. Thanks

Well, as I recall the cylinders would likely physically fit either year, but I remember the 86 and 87 motors had very different power characteristics, so can't say 100% if you can just swap and do nothing else and be successful.  
.
Dave H 2006 YZ250
(2008 YZ 125 son)

 

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