Engine Data




General

Disp. 185cc

Power output-continuous
5.2 hp @ 3000 rpm
7.6 hp @ 4000 rpm
9.2 hp @ 5000 rpm

Bosch Magneto with lighting coil 6v 17w ac

Service Data

Spark plug Bosch M4-AC 18mm or equiv.
Gap .016" - .020"
Points .014" - .018"
Timing .100" - .158" BTDC
Mag air gap  .010" - .013"  ( good luck adjusting this one)
Capacitor .15 - .19 MFD
Crankshaft end play .001" - .009"
Nominal cyl bore  2.441"
Stroke 2.4"

Torque Values

Spark plug  360 inch lbs
Cyl. head nuts 200 - 220 inch lbs
Flywheel nut 390 - 400 inch lbs
Crk.case screws 100 - 110 inch lbs