Chrysler 25 and 30 HP Outboard Motors Service Manual OB 1894, Page 9Get this manual

Chrysler 25 and 30 HP Outboard Motors Service Manual OB 1894, Page 9

SECTION IVTUNE-UP I MECHANICAL
1-1 Checking Compression

gear housingAllow small amount of grease to flow from "fill" hole
ARemove spark plugs from cylinder headBEngine should be cool and throttle control should be set at wide open throttleNOTE

Rust preventative oils squirted in engine will make compression re adings unreliableCCompression of each cylinder should be within the following specifications:
125 H.P- 95100 p.s.i
230 H.P- 125135 p.s.iNOTE

Torquing Sequence

Back to Chrysler 25 and 30 HP Outboard Motors Service Manual OB 1894