An Adjustable Fuel Screw will make life easier when you want to tweak your jetting in the bush!
Great for richening up the bike during winter, while being able to lean it off in summer to keep throttle response at a maximum.
Crispen up your throttle response anywhere on the trail as the day gets hotter or your air cleaner gets dirtier.
Strong Brass Construction with knurled end!!!!!
Suits DRZ400S or DRZ400SM and KLX400 Motard only