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FORE WORD

The morę satisfactory and dependable performance of one motorcycle over another, when both are in the same type of service, is not generally due to any appreciable variation in original ąuality and con-struction. Experience has proven that it is usually the direct result of the operator's knowledge of correct operating methods and his diligence in applying this knowledge.

GENERAL SPECIFICATIONS 1940-1952 C I V I L I A N MODELS WL&G

Models and Compression Ratios

Model    Compression Ratio

WL (aluminum heads)........................... 6 to 1

WL (iron heads)................................ 4.75 to 1

G (Servi-Car).................................... 4.75 to 1

Average developed power and R.P.M.—25 H.P. at 4S00 R.P.M.

License Data

Number of cylinders .......................................2

Cylinder borę (69.85 mm.) ..........................2³A inches

Piston displacement W39.46 c.c.) ...................45.12 cu. in.

Stroke (96.85 mm.)..............................3-13/16 inches

Horsepower (N.A.C.C. Rating) .............................6.05

Wheel Base ......................................57¹/2 inches

Gear Ratios

Counter- Rear    Hiqh

Motor Clutch shaft Wheel    Gear

Sprocket Sprocket Sprocket Sprocket    Ratio

Solo (iron heads).......	31	59	17	41	4.59	to	1
Solo (aluminum heads).	30	59	17	41	4.74	to	1
Sidecar .............	27	59	17	41	5.27	to	1
Servi-Car ............	22	59	17	37	5.84	to	1

Tire Inflation Pressures

Solo—4.00" tire—Front. 12 lbs.—Rear, 14 lbs.

5.00" tire—Front, 12 lbs.—Rear. 12 lbs.

Servi-Car—4.00" tire—Front. 12 lbs.—Rear, 20 lbs.

5.00" tire—Front. 12 lbs.—Rear, 16 lbs.

These inflation pressures are based on rider weight of about 150 pounds. When this rider weight is exceeded by 50 pounds or morę; when carrying extra passenger, or when sidecar is attached. raise pressures slightly. Pressure for sidecar tire about the same as for front tire.

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