1972 Arctic Cat Lynx

What was your intended objective when you started the build?

I just wanted to do something different and see if I could make enough power to keep up or beat some of the twin cylinder engines from the same era.

What motivated you to start your project?

When I found out that there was a rotary engine from the early 70’s in sleds, I had to have one. I started by just riding the sled for a season. Probably put 150 miles on just ditch banging and bar hoping on vintage sleds with my buddies.

What was the most unique and creative thing you did to the sled?

I’ve never dealt with rotary engines or carberated turbo charged applications. So the whole power plant was a learning experience.

What are you most proud of?

I just wanted to do something completely different than any of the other custom sleds that I’ve seen. It’s turned alot of heads and has done well at the local sled shows. It actually performs as well. Factory power was 18HP and I’m estimating it makes about 35 to 40HP based on the other sleds I’ve raced.

What do other people say about your snowmobile?

Most people just love the sound of the rotary engine. I also here a ton of stories about people running old Wankel engines back in the day.

Videos

Walk around video: https://www.dropbox.com/scl/fi/5phcmfx7zjqoz46qdh4yw/Video-Dec-02-2023-2-46-05-AM.mov?rlkey=d17uedb955nt5bo7z4v9sr8g9&st=zi8kvkuv&dl=0

 

Running Video: https://www.dropbox.com/scl/fi/u07o1w6irgg0j7vhh2u6g/Video-Oct-02-2024-12-14-11-PM.mov?rlkey=aufhe79lngivy1wqwae231g5u&st=eiap2737&dl=0

Videos and photos gallery: https://www.dropbox.com/scl/fo/qndgbqylcqtzddmi94hv7/ALcYsD6y5VXemBoPzTcDDws?rlkey=vpkj2pl1yzxl5wa1w029m5idu&st=jzfgx948&dl=0

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Submitted by: Kyle Foss

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Specifics

Classification: Wild
Make, Model & Year: Arctic Cat Lynx 1972
Time spent: 200
Snowmobile cost: 300
Money spent: 3000
Engine: 303 Wankel
Intake: Borg Warner Turbo from small diesel engine using a draw through Mikuni carb.
Exhaust: Full custom stainless exhaust. Laser cut flanges by TC fab.
Drivetrain: Comet Clutch with stock secondary. Stock skid and cleated track.
Tunnel/Chassis Modifications: Stock
Suspension: Stock
Brakes: Stock
Finish – Paint: Newly painted hood. Black with purple and green flake

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