Yamaha TZ350 & TZ250 Close Ratio 6 Speed Gearbox
The Nova Yamaha TZ 350 & TZ 250 full six speed close ratio gear set comprises both input and output shafts and all gears, supplied fully assembled ready for installation.
All engagement dogs are undercut and have three dogs to promote positive and rapid engagement.
All gears are superfinished in house as standard.
Gear ratios have been optimized for racing and are as follows: