Ads
related to: polaris 250 2 stroke atv carb adjustment toolpolaris.com has been visited by 10K+ users in the past month
Search results
Results from the WOW.Com Content Network
A stroke is the action of a piston travelling the full length of its cylinder.In a two-stroke engine, one of the two strokes combines primarily the intake stroke and the combustion stroke, while the other stroke primarily combines the compression stroke and the exhaust stroke, though technically since both ports are exposed during both the combustion and compression strokes, some reversion ...
Honda upgraded the two-stroke engine to 342 cc (20.9 cu in) which was later decreased to 329 cc (20.1 cu in) in a recall. [3] The engine was mounted behind the driver, [ 2 ] and featured 6.7:1 compression , capacitor discharge ignition a 32 mm (1.26 in)-throat Keihin carburetor , and added electric starting. [ 2 ]
The Honda ATC250R's competition came largely from the Kawasaki KXT250 Tecate 3 and Yamaha Tri-Z 250, and to a smaller extent from companies such as Tiger ATV. The ATC250R is often compared to the Honda ATC350X, a sport ATC featuring a 350cc 4-stroke engine. The ATC350X was not competitive on professional circuits, and was better suited to ...
Robin (a subsidiary of Subaru Corporation) previously developed and supplied all-terrain vehicle (ATV) and snowmobile engines for Polaris Inc. Starting in 1995 with the Polaris Magnum 425 4-stroke ATV and in 1997, with the introduction of the "twin 700" snowmobile engine Polaris started the development and production in house of the "Liberty ...
Honda's Reasoning Behind Use of 4-stroke engines in modern Sport ATV’s [ edit ] A driving reason Honda chose to use a larger displacement four stroke engine instead of the traditional two stroke as part of their re-involvement in competition ATV's can be learned from the following excerpt taken from world.honda.com:
Two-stroke engines often have a higher power-to-weight ratio than a four-stroke engine, since their power stroke occurs twice as often. Two-stroke engines can also have fewer moving parts, and thus be cheaper to manufacture and weigh less. In countries and regions with stringent emissions regulation, two-stroke engines have been phased out in ...
Ads
related to: polaris 250 2 stroke atv carb adjustment toolpolaris.com has been visited by 10K+ users in the past month