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Old 07-12-2007, 11:53 AM   #25
Studly Adventurer
Seikkailu_R's Avatar
Joined: Jun 2007
Location: Piikkiö, Finland
Oddometer: 842
Originally Posted by nomosnow
I have joined just to contribute to this thread have had 3 XL600R's over a span of 23 years. They are great bikes . My current one is a 1984 model with a dyno jet kit and a super trap muffller it has 16000 miles on it and runs great. In fact I just purchased a 2008 KLR and the old Xl will out torque it out accelarate it and is just a lot more fun to ride and fun is what it's all about. Does anyone have a dyno graph on the old Xl,s I would like to compare it to a KLR?
Here is dyno graph for my -84 XL600r (DP03)

- Engine rebuild, new bearings, 101mm piston from wiseco
- Laser Produro muffler (offroad model).
- Stock head/valves/cam.
- Airbox modified.
Things i change after this run...
- Too small jets in both carbs, later install bigger jets -> better high end.
- Faulty ignition -> new ignition system -> better over all.

And offroad tires loose some hp in dyno...
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