1984-1986 Mercury Force 4HP Outboards Service Manual, Page 6Get this manual
ENGINE SPECIFICATIONS B.I.AH.P4 5250 RPM
Bore and Stroke
2" 1- 19 32" (5.08 3.90 em)
5.00 cu in (82 eel
110-125 PSI (7.70- 8.80 kgem )
1.5.0 Powe,
RKommended Opeflltlng Range
Idle RPM In Gear
Displacement
2.8 KW 5250 RPM 4750-57504)
Compression
SpIIrk Plug
Champion L-86U.S.A
800- 1000 RPM
(Engine tan test ed USlrlg propeller nOI lest whee' )
Champion Al-86Canada
Spark Plug Gap
Point Gap
.030" (0.76 mm.020" (0.50 mm )
Engine Type
2 Cycle1 Cyhnder
TORQUE CHART
SPECIAL ITEMS
Flywheel Screw
Connecting Rod
STANDARD HARDWARE
Screw or Nul Size
17 fl Ibs (2.4 kg)
ScreStem Stukel Bolt
Fuel Tank Screw
Ibs (92 kgem)