Trying to increase displacment

[SqDancerLynn1]

Newer bikes you are talking about have 4 valves per cyl, lighter smaller valves that don't require excessive spring pressures to keep them closed It doesn't matter if it is single or dual overhead cam

[Hap Call]

thanks that was my biggest question was if the difference was in the stroke or bore size.

Another concern will be cylinder spacing...I am not sure if the GS850 engine is closer to the GS750 or to the GS1000.

Hap

[Anonymous]

specs

How 'bout bigger jugs for a 450??

Where could one obtain all these specs, online maybe? Hate to buy a manual for every model!! Maybe there should be a page on this site listing said specs for all the GS engine sizes??

[Anonymous]

Re: specs

How 'bout bigger jugs for a 450??

Where could one obtain all these specs, online maybe? Hate to buy a manual for every model!! Maybe there should be a page on this site listing said specs for all the GS engine sizes??

I dont think the rod spacing would allow you to make the bike much larger. It is hard enough to get a 750 and an 1100 to have a larger displacement. Look at the percentages. an 1100with a 1166 kit only goes 91cc over stock. I believe that is 8 %
Take the 450 out by 8% and you get 486cc--if there is enough meat in the jugs to do it--of cours if funds are un limited and you own a machine shop then the sky is the limit.