Good carbs with an accelerator pump gets rid of that bog/lag/hesitation a person feels on these bike . Higher comp helps as well .
The 660 Raptors have a considerably lighter flywheel(and smaller dia) , they rev to 9k easily (but won't live long if let there ). These motor aren't tight enough tolerances to spin like that , but the heavy flywheel is what lets them sit at 60-70mph effortlessly , something I can notice the 660 doesn't do as well .
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'86 XT600/3TB motor,,, '88 XT600, ,,'92 XT600e,,, '08 Husky TE510,,, '05 DRZ463,,, '95 KLX650 ,,,'96 KLX650
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