Service Manual

General Specifications

Engine

Engine Type Air-cooled, 2-Cycle

Displacement 1.9 cu. in. (31 cc)

Bore 1.37 in. (34.80 mm)

Stroke 1.25 in. (31.75 mm)

Average Compression 90-120 lbs. (41-55 kg)

Piston Ring Width 0.046 in. (1.16 mm)

Piston Ring End Gap 0.085 in. (2.159 mm)

Piston Ring Side Clearance 0.005 in. max (0.127 mm)

Item

Fuel And Lubrication

Lubrication Fuel/Oil Mixture

Fuel/Oil Ratio 32:1

Approx. Fuel Tank Capacity 18 oz (530 ml)

Item

Ignition

Ignition Type C.D. Electronic Ignition

Ignition Module Air Gap 0.010-0.015 in. (0.254-0.381 mm)

Spark Plug Type Champion® DJ8J

Spark Plug Gap 0.025 in (0.635 mm)

Item

GENERAL INFORMATION

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