HMF Engineering

619252360001

HMF Jet Kit | Honda TRX 400EX 1999 - 2014

Jets & Jet Kits

Re-jetting will provide the best air/fuel ratio after installing an HMF exhaust.
OEM jets. Keihin jets for Keihin carburetors and Mikuni jets for Mikuni carburetors.
Baseline jetting as well as smaller and larger jets included to accommodate changes in altitude or humidity.
Bikes must be jetted for valid exhaust warranties.
Included: Individual Keihin Hex Jet: 152, 160, 165, 170, 180, 190 and 42 Pilot

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. The proper jetting will ensure the full performance potential from your HMF aftermarket high performance pipe and is necessary on all machines.

K&N HA-4099 Honda High Performance Replacement Air Filter
Hot Cams 1043-2 Camshaft
K&N KN-113 Honda Powersports High Performance Oil Filter
Uni Dual Stage Air Filter Honda Sportrax Trx400ex Trx400x Trx450r 04-05