doing a top end in my 07..

getting the parts together to do my top end..

just orderd my je 13.5.1 and cosmetic gasket kit..

now im wondering what i should do with my timing chain.. what is everyone running?

i have about 100+ hours.. on my 07.. bought new in feb of 07.. first time im diving into the motor..

IMO you should replace the timing chain with an oem one. they stretch and wear out like a regular chain. so you wouldnt wanna put all this money into it and have that snap on first start. and they arent expensive about $20\

there is also videos of procedures on changing it and then timing the bike again but good luck:thumbsup: :busted::banana:

HERES a place to buy http://www.hondaeastsuperstore.com/MX-Dirtbike-Parts-Accessories/Engine/Genuine-OEM-Yamaha-94591-p6302706.html

Let us know if you have to use race gas with that piston.

im gunna run a 50/50 mix.. i know some people who use 91 pump but i really dont want to risk it..

here is a stupid ? when changing out the timing chain.. do u have to split the cases? someone i know that is yamaha certified said that was the only way to go?...

nope.

here is a stupid ? when changing out the timing chain.. do u have to split the cases? someone i know that is yamaha certified said that was the only way to go?...
It looks stupider when you don't spell out "you" or "question". It also makes it harder to read when one has to decipher it into English. :busted:

No. The cases don't need to be split. Read this post, but remember it was written for a pre-'06 model, so you can ignore the part about removing the stator plate:

http://www.thumpertalk.com/forum/showthread.php?p=3150405#post3150405

It looks stupider when you don't spell out "you" or "question". It also makes it harder to read when one has to decipher it into English. :busted:

No. The cases don't need to be split. Read this post, but remember it was written for a pre-'06 model, so you can ignore the part about removing the stator plate:

http://www.thumpertalk.com/forum/showthread.php?p=3150405#post3150405

o holy hell.. since when was it mandatory to have correct english or grammer on a internet fourm?..

at least u can understand what the hell im talkin about..

o holy hell.. since when was it mandatory to have correct english or grammer on a internet fourm?.. :banana:

at least u can understand what the hell im talkin about..

:banana::busted:

o holy hell.. since when was it mandatory to have correct english or grammer on a internet fourm?..

at least u can understand what the hell im talkin about..

If you expect the courtesy of the help and advice of others, it often helps to have the courtesy to make your questions understandable without it being a lot of work on the part of the reader. We are trying to communicate in writing regarding technical matters here, not passing text messages in class. It also gives people to make assumptions regarding your intelligence which are probably not true, and creates the impression of laziness.

But it is a bit discourteous to point it out, I suppose, and for that, I apologize.

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