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Ryan, Reese's, and Ed's John Deere Snowmobiles

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1973 JDX8 Specs

Engine

Manufacturer:  CCW

Model:  KEC 440/21

No. Of Cylinders:  2

Bore:  66mm

Stroke:  64mm

Displacement:  438cc

Horsepower

SAE J245 Hp Rating:  38 @ 6750 rpm

SAE J607 Hp Rating:  40 @ 6750 rpm

Fuel System

Carburetor Mfg.:  Walbro

Model:  WDA-34

Tank Capacity:  5.50 U.S. Gal.

Fuel Mixing Ratio:  50:1

Chassis and Body

Material

Tunnel and pan:  Aluminum

Hood and Console:  Polyester

Windshield:  Polycarbonate

Overall Length:  103.4 in.

Overall Width:  35.5 in.

Overall Height:  40 in.

Weight (lbs):  386

Track and Suspension

Suspension Type:  Trailing Arm Bogie

No. of Bogie Wheels:  15

Track Material:  Polyurethane

Tack Width:  15.5 in.

Power Train

Transmission

Type:  2 Sheave Variable

Manufacturer:  Salsbury

Model:  850

Final Drive Ratio

Standard:  2.05:1

Optional:  2.44:1, 2.44:1

Brake:  External Band

Drive Belt:  M63912

Electrical System

Spark Plug Gap:  0.020 in.

Timing:  10* BTDC (Retarded)

Lighting Coil Capacity:  120 Watt

Light Bulbs

Headlight:  4000 (AM52309), 4002 or 4040

Stop- Taillight:  1157 (AM52305)

Speedometer:  1816 (AT22970)

Tachometer:  1816 (AT22970)

Battery  (Electric Start):  AM52050