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modded stock
is a limited-edition piece
durable solution for you
and now you can't ride without risking your hood falling off
Stay young with Wax Racing
Stainless Steel high Inertia Yamaha Coupler exhaust modded stockIntroducing our high inertia coupler for Yamaha 62T, 63M, and 65U engines. While it might seem like this would slow engine response, it actually smooths out power delivery, enhancing hole shots and hook up. This design helps bridge the gap in power delivery between two stroke and four stroke engines, improving overall performance. Weve also noted a 1 mph increase in top speed with this coupler. This approach has been used in motorcycles for years, and