Ax exhaust Stage 1 - Yamaha YZ250 F 4T ('17-'18) - Hot Cams into

Exhaust camshaft Stage 1 from manufacturer Hot Cams for Yamaha YZ 250 F 4T (2017-2018).

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 software for the valve train;
- 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 engines with two camshafts. The auto-decompression mechanism is included.

Technical data
- exhaust valve clearance: 0.200 mm;
- brand: HOT CAMS;
- application: exhaust;
- exhaust duration: 245.590°;
- exhaust valve lift: 8.590 mm;
- exhaust lobe centerline angle: 104.230°;
- type: Stage 1;
- price: for one piece.

The complete application list can be found below.