Yamaha Tracer 7700 (2020–2024) Scorpion Exhaust Red Power Full System - Brushed Stainless Jetting KIt The 221'er achieves the larger

The 221'er achieves the larger displacement by using a 60mm crankshaft instead of the 57mm of the standard one

50% more slippery than BGM original pull sets

Bore: Ø68

5g (250cc)

Piston Complete

Yamaha Tracer 7700 (2020–2024) Scorpion Exhaust Red Power Full System - Brushed Stainless Jetting KIt The 221'er achieves the largerYamaha Tracer 7700 (20202024) Scorpion Exhaust Red Power Full System Brushed Stainless From their entry into the motorcycle market in 1955 Yamaha have grown to be one of the big four motorcycle manufacturers in Japan. During the 70s they won the first of many 500cc world championships and have maintained that success through to the modern era of Moto GP. During the 80s Yamaha introduced the EXUP, a new exhaust system for 4 stroke engines that included