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Comments on different cams for GS 1150

  • Thread starter Thread starter Mikael
  • Start date Start date
M

Mikael

Guest
Hi !

I have been looking for a new set of cams for my GS1150, as a replecement for the restricted cams,
(Type B: 100hp for Sweden), that are currently installed.

What I have found is a set with 0.340" lift and 240 degree duration at 0.05". They seem to be
somewhat hotter then the standard type A cams. Question: Do I need to modify anything else
with that grind on the cams, like harder valve springs, hardened rockers, external oil feed lines?

/ Mikael
 
Hi!
Has the cams been replaced by the restricted ones? If so, I understand your wish to change. What set of cams did you find? Is it the Web #223? Could be a good choice if you stumbled on them. Should increase mid and top end. Dont forget to rejet your carbs though.

The 84-87 1150 were, in Sweden, restricted in the carbs not allowing the throttles to go all the way up. A much nicer restriction than 80-83?s in milder cams.
 
You probably can by with only a cam swap at 340 lift. Anything more would need valve springs for sure. If you have aftermarket pistons a 355 lift would be better.
 
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