Classic CanAm
Project Bike
1973/74 MX-1 125
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This is the Classic CanAm 125 MX-1.  It was built in October 1998.  This motorcycle is currently being ridden by Jim Atkins in AHRMA vintage MX competition.  The bike is not a true restoration.  It has many modifications and improvements.  The project is throughly documented in the following sections.  Use what you can and leave the rest.
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The photo above is the completed project.  The restoration is documented in the following 5 sections, along with more photos of the bike.  Scroll down on this page to see specifications for this motorcycle.
Section 1:  Finding the bike

Section 2: The Engine

Section 3: The Chassis

Section 4: Appearance

Section 5: Riding the Bike

Section 6: Race Stats and Post Race Modifications

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1973/74 MX-1 125  Specifications
Frame 1974 MX-1 (Model #4843)
Engine (modification) 1973 MX-1 123.7cc (Model #3843) Std. Bore -- mild porting (MX-2 specs).
Piston 2 ring Rotax with booster port
Lubrication Rotax/Mikuni Oil Injection
Carbuetor  (modification) Bing 32mm V-84 w/choke
Ignition (modification) Motoplat internal flywheel
Exhaust  (modification) 125 CanAm (Qualifier hi-pipe) w/J&R clamp on silencer
Air Box  (modification) 125/175 TNT still airbox with 2 stage Unifilter.
Steering head angle  (modification) 28 deg. rake fixed w/Timken tapered bearings
Forks Betor/Bombardier 6.5" travel, HD springs, 220cc 20W oil in each leg.
Shocks  (modification) Progressive Suspension 13" length w/4.00" wheel  travel -- 65lb. springs.
Swingarm  (modification) 1974 250 TNT (1.5" longer than stock) w/nylon bushings
Gearing Final drive 13T/56T with RK 520 chain
Graphics Fred Brown Decal kit
Dry weight 210 lbs.
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