|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 percent, and ensure starting on the first pull. EX engines start instantly – even at temperatures as cold as -10 degrees C – 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.
|Case-Hardened Steel Timing Chain
||Case-hardened steel timing chain allows for precision timing and maximum durability.
|Metal Gas Tank & Tier III Gas Cap & Strainer