Originally posted by xs11lover
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Maybe we should write Yamaha letters
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Originally posted by cueball View PostCombined with a lot of grovelling might do the trick One thing to check is the gearbox, something like 3/10 down here have been whopped and develop the 2nd / 3rd gear issue. Apart from that, more torque than an 11 ever dreamed of and handle like on rails compared to XS's
I service a bunch of these back when they were new and I'm more than familiar with what a FJ will do...
GeezerHi my name is Tony and I'm a bikeoholic.
The old gray biker ain't what he used to be.
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Originally posted by tw1980 View PostThere's no way those heads,pistons and jugs would fit our bikes right?
I've got a '95 XJR1200 which i've made up from bits on ebay. I rebuilt an FJ engine using XJR gearbox, because the main axle shaft is longer on an XJR to line up the rear sprocket with the wheel, without spacing out. I tried using as much FJ stuff in the build but there is not much that is similar. The main problem with the XJR engine is it's lack of power compared to an FJ. 105bhp compared to 125 to 130bhp from an FJ. It's all to do with the carb set up and the inlet manifolds. The standard XJR manifolds restrict the mixture flow by being smaller bore compared to an FJ. So i'm well chuffed with my project as it is standard tuned FJ1200, with the standard carbs and manifolds, compared with the under-powered XJR.
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