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Gs1000 gs1100 valve swap

  • Thread starter Thread starter Big E
  • Start date Start date
B

Big E

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I need valves for a gs1100. 2 valve head and I was wanting to know if a gs1000 valves will fit a gs1100
 
Why not just put the whole 1100 head on it?? I think the 8V guys seek out those 1100G heads for their better flow..
 
TheCafeKid said:
Why not just put the whole 1100 head on it?? I think the 8V guys seek out those 1100G heads for their better flow..
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Indeed I did, and I agree, you can also buy a head for what new valves cost.

BUT, yes, if you have access to valves only they are the same.

I reread his post, and he has the 1100 head already on the bike and wants to use 100 valves. Yes, the valves are the same between 1000 2 valve and 1100 2 valve.
 
I already have the 1100 2 valve head and the valves would not seat off. I took to my mechanic and he said the 1100 valves were bent the head is used and I still have the 1000 valves and I wanted to just use those to save money. You guys just don't know how thankful I am that info.
 
Big E said:
I already have the 1100 2 valve head and the valves would not seat off. I took to my mechanic and he said the 1100 valves were bent the head is used and I still have the 1000 valves and I wanted to just use those to save money. You guys just don't know how thankful I am that info.
Click to expand...

I bet, a full set of OEM valves is $300 if you can find them.
 
The valves are about that ($300.00), I also was wondering with the 1100 head do I need to use the 1100 cams or the 1000 cams?
 
Big E said:
The valves are about that ($300.00), I also was wondering with the 1100 head do I need to use the 1100 cams or the 1000 cams?
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They're the same, so which ever is in the best shape. Do use the 1100 Caps though, don't swap cam caps between heads.

To my knowledge the only differences is a slightly different shape on the exhaust port on the 1100 head, and a slightly longer stroke on the pistons. Other than that an 8v 1100G is a bored out 1000G from the base gasket up..
 
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Stock exhaust valves are $50 each and intakes are $25. If anyone knows of any cheaper options please share.
 
Nessism said:
Stock exhaust valves are $50 each and intakes are $25. If anyone knows of any cheaper options please share.
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I got the last set of Vesrah valves for these motors on earth I am pretty sure. They threw away the dies at the Vesrah factory, and I found one set in a corner at Dynoman, for $200. The downside being one had a casting flaw and there was a bubble right on the valve surface making it unusable...

But yes, OEM are $300 a set (50 and 25), so if APE has them I sure wish they would have told me. I was under the impression they'd have to custom cut them from blanks.
 
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