Of course it all depends on where you are and the conditions. Richer is safer, but too rich can sap a lot of power. You will need to do a "plug chop" to give you an idea on how close the jetting is.
A size or two too big (132~135 for example, IF 130 is the ideal jet) will not cause you too much trouble, but more than that and the power will noticeably drop off.
Remember: It's better to be one or two sizes too big than one size too small!
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Andy.
NSR-WORLD.COM
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