| Case-Hardened Steel Timing Chain |
Case-hardened steel timing chain allows for precision timing and maximum durability. |
| Chain-driven Overhead Cam |
Chain-driven overhead cam design offers superior power and performance with an automatic decompression system to reduce the required pulling force by 30 to 40% and ensure starting on the first pull. EX engines start instantly – even at temperatures as cold as -10C – without any perceptible kickback. |
| Dual Ball Bearing Crankshaft Support |
Dual ball bearing crankshaft support offers maximum stability under demanding loads. |
| Heavy-Duty Piston Rings and a Cast-Iron Cylinder Liner |
Heavy-duty piston rings coupled with a cast-iron cylinder liner resist wear and ensure a long engine life. |
| Optimized-Capacity Rigid Muffler |
Optimized-capacity rigid muffler and 33 percent fewer moving valve train parts than OHV designs, reduce mechanical noise levels a full 2 decibels below competitive models. |
| Pent Roof Combustion Chamber |
Pent roof combustion chamber enables optimum intake and exhaust valve placement for maximum engine performance and efficiency. |
| 50 State Tier 3 Emissions |
Clean running, low emission engine. |
