Yamaha R1 98 to 03 - APE Manual Camchain Tensioner - APE YT1000 Front Mudguards if you have the rarer

if you have the rarer 50mm tap no Probs

easy to install

This product cannot back off like the OEM type automatic tensioners

made in the USA

resistance to high temperatures and pressures

Yamaha R1 98 to 03 - APE Manual Camchain Tensioner - APE YT1000 Front Mudguards if you have the rarerUSA made, genuine APE manual camchain tensioner. The APE tensioner cannot back off like the OEM type automatic tensioners and is a must for any hard ridden standard or tuned machine. Beware of cheap copies! Easy to install. The APE tensioner often takes up more slack than a standard tensioner, so can sometimes also stop chain noise. Install Guide: http: www. APEraceparts. com tech tensioners. html