AMR-XS400
Chopping to XS
Can anyone tell me where i can buy the intake and exhaust valves plus the inner and outer springs for a 1977 XS400?
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Valve
- Thread starter AMR-XS400
- Start date
hardtailed77
Never Finished
Not cheap, AT ALL......but Bike Bandit has them.....
http://www.bikebandit.com/houseofmotorcycles/1977-yamaha-xs400d/o/m8254#sch212972
hardtailed77
Never Finished
Not sure if the parts changed in the later years (I'd be willing to bet they did...), but if not, OMP carries them for the 83-84 models........and WAY cheaper than Bike Bandit.
http://www.oregonmotorcycleparts.com/Valves.html
http://www.oregonmotorcycleparts.com/Valves.html
AMR-XS400
Chopping to XS
He actually doesn't have them. I only need one as the bike I bought as a basket case is missing a whole intake valve train (inner/outer springs, intake valve). Can I replace just the one or should I do them all?
hardtailed77
Never Finished
If it were myself, I would go ahead and replace them all at the same time. This saves trouble later, but it all depends on your budget I guess. I would definitely reface or replace the valve seat if it needs it, since you have the chance now. Even an entire valve job wouldn't be out of the question. I don't like to fix one part, then have to pull it to pieces to replace a different part that would have been easy to replace the first go around; know what I mean?
I wonder why it is just "missing" the intake side? Maybe someone stole the parts to fix another bike at one time?
hardtailed77
Never Finished
This is from the Classifieds section on here.....may be able to grab what you need....Just trying to help out.
http://www.xs400.com/forum/showthread.php?t=4634
http://www.xs400.com/forum/showthread.php?t=4634
skillzman1
XS400 Junkie
I'd do all new at the same time....in a dirtbike rebuild/repair a few years ago we replaced a broken powervalve...had to special order it and wait.....put it back together and the other powervalve went a week later.
AMR-XS400
Chopping to XS
I was only looking at replacing the one set due to how hard it is to track a full set down. I want to replace them all at once
I'm sure you can get them from a third party, that is measure your valves and email a few companies.
I had new valve guides fitted as they used the latest materials.
I had new valve guides fitted as they used the latest materials.
Sokrates
www.xs400.net
The OHC valves are identical on all OHC-motors, the DOHC valves might be different.
AMR-XS400
Chopping to XS
The price doesn't worry me I have found NOS kits for au$50 but they are missing the intake valves. I think I will have to go a low mileage second hand set
try speed sport (yamahatopdog)
