Hi, all i will be getting a griso 1100 very soon .I have already got my shopping list compiling and working on an airbrush design for my new bike .Great forum by the way .One question i have is has anyone converted a 1100 2valve into a 1200 2 valve ? . If anyone has `was it worth doing ? .Are there any bigger bore options available ?.Thanx in advance as i am sure i will have a lot more ???SS .
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Another Newbie with ??
- Thread starter ferret
- Start date
Glad you like the Forum, thanks, and thanks to all that contribute and help with donations. Congrats in advance on the Griso. It may be physically possible to (minimally) increase the bore, but it'll likely be cost prohibitive unless you find a used motor, or it's a labor of love.
The older cases and cylinders @1064cc, were severly limited bore-wise by the pushrod tube locations. If it were me, and I was looking for more power, I'd focus on headwork and flow (possibly a custom cam). This won't be cheap or easy. You can get to 90-95 rwhp for $3~4k. If you want more, just buy the 8V if you want big power.
Hope that helps. Post again/often.
The older cases and cylinders @1064cc, were severly limited bore-wise by the pushrod tube locations. If it were me, and I was looking for more power, I'd focus on headwork and flow (possibly a custom cam). This won't be cheap or easy. You can get to 90-95 rwhp for $3~4k. If you want more, just buy the 8V if you want big power.
Hope that helps. Post again/often.
I am not interested too much in top end power rather have more torque .I did find when i rode a 1200 sport 2 valve it felt (seat of the pants ) to have a noticeable extra push in the low to mid range area . I was presuming that the 1200 sport 2 valve was just a bore out 1100 unit .Thanx for putting me right .