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Valve stem seals

Jinks

Jinks

Forum Apprentice
Does anyone have the dimensions of the valve stems, the local shop is having trouble sourceing the seals.
 
For what engine ?

If it's for the GS850 valves then they are 7mm stems and the seals are common and the same for the GS 850,GS1000 and also Kawasaki Z650/750/900/1000/1100 and many more.
Plenty of sources for them including ebay and APE etc.
 
Last edited:
Time to question the shop if they can't find common seals. And speaking of questioning, ask if they skimmed the valve stem after cutting the valves and seats. Failing to do so will put the engine into the thin shim range, possibly without room for future wear.
 
The blue Viton seals are worth getting, instead of the standard seals that go rock-like after a while. Ok, that while may be another 40 years.
 
Jinks said:
Does anyone have the dimensions of the valve stems, the local shop is having trouble sourceing the seals.
Click to expand...

You really need to include the model and year of your bike when asking questions. The simplest way is to put that info in your signature. We're not mind readers here
 
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