Ax came Stage 1 - Yamaha YFM660 F 4x4 Grizzly / YFM660 FGH 4X4 Grizzly Hunter / YXR660 FH 4X4 Rhino Hunter - Hot Cams

Camshaft Stage 1 from manufacturer Hot Cams for Yamaha YFM 660 F 4x4 Grizzly (2002-2008) / YFM 660 F LE 4X4 Grizzly Limited Edition (2004) / YFM 660 FA 4X4 Grizzly (2005-2006) / YFM 660 FA SE 4X4 Grizzly Special Edition (2005-2006) / YFM 660 FAH 4X4 Grizzly Hunter (2005-2006) / YFM 660 FAHD 4X4 Grizzly Hunter Ducks (2006) / YFM 660 FAHW 4X4 Grizzly Hunter Wetland Edition (2005) / YFM 660 FG 4X4 Grizzly (2007-2008) / YFM 660 FGH 4X4 Grizzly Hunter (2007-2008) / YFM 660 FH 4X4 Grizzly Hunter (2002-2004) / YXR 660 F Rhino (2004-2007) / YXR 660 F DU 4X4 Rhino Ducks (2007) / YXR 660 F EX 4X4 Rhino Exploring Edition (2007) / YXR 660 F SE 4X4 Rhino Special Edition (2007) / YXR 660 F SP 4X4 Rhino Sport Edition (2007) / YXR 660 FA 4X4 Rhino (2004-2006) / YXR 660 FA EX 4X4 Rhino Exploring Edition (2006) / YXR 660 FA SE 4X4 Rhino Special Edition (2006) / YXR 660 FAH 4X4 Rhino Hunter (2004-2006) / YXR 660 FH 4X4 Rhino Hunter (2007).

Specifications:
- made with Computer Numerical Control (CNC) machinery from forged 8620 steel and hardened;
- designed and tested on a dynamometer in the USA;
- designed using valve train software;
- ensures a power increase of 5%-10%.

The camshafts include Hot Cams Improved Throttle Design (I.T.R.) technology - these camshafts enhance throttle response across the entire RPM range while providing significant power increases in the mid-range and at high RPMs. Stage 1 is designed for increased torque at low RPMs.

Designed for direct installation, using original valve springs (unless otherwise specified).

For single camshaft engines. The original auto-decompression mechanism is used.

Technical data
- exhaust valve adjustment: 0.250 mm;
- intake valve adjustment: 0.200 mm;
- brand: HOT CAMS;
- application: exhaust, intake;
- exhaust duration: 248°;
- exhaust valve lift: 9.120 mm;
- exhaust lobe centerline angle: 104.500°;
- intake duration: 247°;
- intake valve lift: 9.020 mm;
- intake lobe centerline angle: 104.500°;
- type: Stage 1;
- price: for one piece.

The complete application list can be found below.