1968 Ski Doo Olympique

What was your intended objective when you started the build?

Building a vintage stand up vintage sled that would tackle deep snow, with plenty of power.

What motivated you to start your project?

Wanted to build a deep snow vintage Ski Doo

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

Not sure what one thing. I extended the steering post to accommodate standing up while riding , extra steering support , motocross style handlebars .

What are you most proud of?

Custom made expansion chamber

What do other people say about your snowmobile?

Very nice

2 Comments

Tyler says:

January 31, 2024 at 9:48 pm

How much Hp do you think that 340 tnt single has because i think it is a rare motor

Reply
Tyler says:

January 31, 2024 at 9:48 pm

How much Hp do you think that 340 tnt single has because i think it is a rare motor

Reply

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Submitted by: Michael Karvala

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Specifics

Classification: Wild

Make, Model & Year: Ski Doo Olympique 1968

Fondly known as: Mod 340

Time spent: 100

Snowmobile cost: $20

Money spent: $900

Engine: 1970 Rotax 340 TNT engine , rebuilt.

Intake: Original Tillotson HD 22A

Exhaust: Custom made expansion chamber

Drivetrain: Upgraded twin roller chain case and drive axle from a twin cylinder Elan. New drivers, boggies, springs and a new 1″ lug GB track.

Tunnel/Chassis Modifications: Extra chain case supports welded in place. Extra top tunnel supports welded in place

Suspension: New heavy duty springs on rear drive shaft and on the boggies. Elan skis with extra leafs added, spreaders and 1″ aluminum riser blocks, 8″ ski skins, upgraded late model Elan spindles and steering parts.

Brakes: Stock late model Elan brakes with new pad .

Finish – Paint: Chassis is powder coated with a wet black color, small parts painted black and aluminum. I left the hood original but buffed it out.

Accessories: Handle bar mounted tether , custom bracket mounted on steering support for tachometer, custom aluminum clutch guard, custom aluminum gas tank mount.