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81 GS550 T Cylinder Head Conversion

  • Thread starter Thread starter gs1150streetracer
  • Start date Start date
G

gs1150streetracer

Guest
Hello GSR
I was wondering what head I can place back on my 1981 Gs550t,I have the head off for now and was looking to use a 1977 Gs550 head since it has Vm type carbs not the hard to tune CV,Will this or any other head work on the 550T?Any input would be great.
 
gs1150streetracer said:
Hello GSR
I was wondering what head I can place back on my 1981 Gs550t,I have the head off for now and was looking to use a 1977 Gs550 head since it has Vm type carbs not the hard to tune CV,Will this or any other head work on the 550T?Any input would be great.
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It's hard to read your post because of no spaces after punctuation marks. Regarding the question: yes, you can use a VM carb head if that's what you want.
 
cowboyup3371 said:
Are you wanting to go bigger or what? Why not put the stock one back on?
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HE doesn't like or know how to tune CV carbs. I know which I would prefer after having ridden bikes with both types of carbs. Would I rather tune two mixture screws or one, let me think a minute, umm, oh yeah, one mixture screw would be easier. That's it from me.
 
Suzuki_Don said:
HE doesn't like or know how to tune CV carbs. I know which I would prefer after having ridden bikes with both types of carbs. Would I rather tune two mixture screws or one, let me think a minute, umm, oh yeah, one mixture screw would be easier. That's it from me.
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:lol: I know which I would prefer. When I owned my 78 750E, the only thing I hated on the bike was the carbs. I could not just yank the throttle open and haul azz, it would bog at first and then take off. After owning 2 strokes that would just aim for the sky when I did that, it was a major disappointment. My CV-equipped 4 strokes have never bogged down, they just take off. And the 78 was new and bone stock, so it was not a mod-related issue.
 
Thanks all for fast reply, I have had both sets of carbs on many bikes, I just think that the VM style carbs seems easier to work on less parts, never rebuilt or really got into fine tuning a set of CV style carbs, Ill have to go to Basscliffs site n get that Awesome guide.

Now for the bike 1981 GS 550T with 25,000, it was givin to me for FREE threw another GSR memeber on the for sale. When I showed to pick the bike up it was near cherry with oil leaks and no compression in #2 cylinder, I tore it apart checked rings OK, so figured it was the valve adjustment since it had weird sized shims on #2.

Went to Z1 and bought the K&L shim kit,$40 Frech ebay gasket kit, Valve seals, cleaned valves and adjusted all 8 to .004, put the head back together and had a freind who kinda knows what he is doing helping me and I got into something else for a min and he put the exhaust cam with the arrow 1 up not the #2 and bent every valve in the head after HE!!bumped the starter:(ahhhh Make a long story short he is paying for the head or valves. The guides seem fine, Lucky it all seems cheap, I found a 550 head but its a 79 and i know the boots are different, just a thought and im trying to come up with ideas for this clean old girl,thanks for the input.
 
Seems like the easiest thing to do is replace the bent valves - there shouldn't be more than a couple of them. Posting an ad here in the Parts Wanted forum never hurts since lots of members are eager to help out in situations like this.
 
I just purchased a set of valves from Z1Enterprises for my GPz. Excellent prices, quick service, everything we always get from Z1.
They were not listed on the web site, but I called and the sales representative looked them up for me. Extremely helpful.
 
koolaid_kid said:
I just purchased a set of valves from Z1Enterprises for my GPz. Excellent prices, quick service, everything we always get from Z1.
They were not listed on the web site, but I called and the sales representative looked them up for me. Extremely helpful.
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Hmm how cheap was a whole set from z1?Bike bandit wants big bucks ...
 
It will vary widely. You must call them; do not depend on the web site. If price is an issue, tell them. They got me a set of aftermarket valves that were much cheaper than stock, they might be able to do the same for you.
 
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