HMF Basic Jet Kit - 641282360001 | Yamaha Grizzly 660 4x4 2002-2008

Features:

• The Basic Jet Kit from HMF includes all the required tuning jets to properly tune your machine with an HMF Exhaust system.
• All HMF exhaust jetting has been predetermined with proper jetting specs to ensure the ultimate performance from your HMF product and should be used as a reference only.
• Proper jetting will ensure the full performance potention from HMF aftermarket high-performance pipes and is necessary on all machines.

Recommended Tuning:

• Slip On - 175 Mikuni small
• Full System - 180 Mikuni small
• Note: Free flowing air box may require 185-190 Mikuni small

HMF Basic Jet Kit Includes:

• 170, 175, 180, 185, 190 Mikuni small