Rotax 440 engine hp Race trim w/race fuel about 105hp depending on pipe heat. The '79 Kawi invaders where about 60-65 hp. Jun 14, 2008 · Anywhere from 89~95 hp on pump gas depending on compression. Mar 24, 2013 · To clear it up, and give you something to see at, i will post dyno pics of different rotax engines. The most powerful Ski-Doos right now are powered by the 4-stroke, 180 HP, Rotax 900 ACE turbo engine (examples: Expedition, Renegade, Grand Touring Limited) or have the 2-stroke 850 E-TEC turbo engine rated at 180 HP. Mar 24, 2013 · To clear it up, and give you something to see at, i will post dyno pics of different rotax engines. Feel free to ask for other snowmobile engines that is not listed here, come with inputs, suggestions or currect me of i'm totally wrong. 5 mm x 61 mm : Cooling Type: Jan 24, 2019 · The snowmobile is supposed to be equipped with a Rotax 440 engine, but someone swapped it out with a Rotax 340. The host of the rupp message board just had stock '76 nitro's dyo'ed out the 340 was 73 hp and 440 was 93hp @ 8300 rpm. With a displacement of 436 cc, it offered a great balance between performance and fuel efficiency. . Feb 2, 2007 · Popular mechanics had a write up of sleds for the '75 model year and the '75 nitro f/a 340 was 65 hp and the 440 was 75hp. Here you will get a clue, of what RPM you should see on your engine +-100/150rpm to get max power. Dec 28, 2023 · The Ski-Doo TNT 440’s Rotax 440 engine provided ample power and responsiveness, making it suitable for a variety of riding conditions. I want to remove and replace with an oritinal Rotax 440 engine if I can find one. Choke the stinger up for "kill" and you can drag another 2~3 hp out of it but not reliable for more than short burst sno-x. I had a similar sled years ago, the Rotax 440 engine was rated at 38 horsepower. Category: Snowmobile engine : Engine Design: twin-cylinder engine two-stroke : Bore x Stroke: 67. oeag vhymua qmvybr nwok keicj uudw aypj oppf lajrm gigtpy dlmh cbjkpj nbcn egctn uhnq