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View Full Version : 2004 Yamaha Yfz 450 Valve Adjustment?

Somewhere in Time
10-09-2006, 10:16 AM
Anyone done it or know how to do it in the Arlington area? It's time for an adjustment and I have no clue how to get it done.

Thanks
SNEAKY
10-09-2006, 10:35 AM
http://www.thumperfaq.com/
quadforce
10-09-2006, 12:01 PM
you have to place shims under the cams to adjust . they make kits with different shims so that you can do it... I have some in stock I am in Waxahachie.
TX21
10-12-2006, 11:52 AM
just read up on it and buy a feeler guage its not that hard and you will have to do it again sometime.
Somewhere in Time
10-12-2006, 11:55 AM
just read up on it and buy a feeler guage its not that hard and you will have to do it again sometime.

Thanks
AnotherRedHead
10-12-2006, 11:59 AM
the feeler guage should have semi tension on it, you shouldnt have to push so hard it moves the spring to get the gauge in there.....
Super Coupe
10-13-2006, 01:33 AM
Save your pennies after the first adjustment you are just on borrowed time.
SNEAKY
10-13-2006, 08:39 AM
Save your pennies after the first adjustment you are just on borrowed time.
:confused:
grape
10-13-2006, 08:58 AM
titanium valves without nickel bronze seats why yamaha did this i have no idea. Once the lash starts to tighten up it doesn't take long before $500 worth of Ti valves are junk and lipped up. Kibblewhite makes a stainless conversion package that we've done several times.
SNEAKY
10-13-2006, 09:16 AM
titanium valves without nickel bronze seats why yamaha did this i have no idea. Once the lash starts to tighten up it doesn't take long before $500 worth of Ti valves are junk and lipped up. Kibblewhite makes a stainless conversion package that we've done several times.
you know, i have known alot of people with Yamaha's and none have evey had a problem with valve lash. now the early CRF's did, but i thought the yama's did not have the same fate.
TX21
10-13-2006, 10:53 AM
Thanks

I have a dirt rider from last month that explains everything you will need to know about adjusting, re-seating, or just about everything needed on valves. Shows an in depth step by step for cutting valve seats even. The article is called "Get your head checked" or something.