Without a doubt the single most effective aftermarket enhancement part I have purchased for the price. Installed it on my wife's G22 '03 gas Yamaha (took 30 minutes) and had to back off the adjustment nut on the speed adjustment rod half way to slow it down for her. If you have a gas Yamaha and don't want to shell out big bucks for new rear gears etc. I highly recommend this "speed spring"!
Rating: [5 of 5 Stars!]
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