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GENERAL INFORMATION
*SPECIFICATIONS
Item Unit
Data
4 HP 5 HP 6 HP
POWERHEAD
Recommended operating range r/min 4000 – 5000 4500 – 5500 4750 – 5750
Idle speed r/min
1300 ± 50
(in-gear: approx: 1150)
1300 ± 50
(in-gear: approx: 1200)
*Cylinder compression
(with decompression system)
kPa (kg/cm
2
, psi)
550 – 650 (5.5 – 6.5; 78 – 92)
Engine oil
Ultra Four Stroke Oil
or Viscosity rating 10W-40, API classification SE, SF, SG, SH, SJ
BREAK-IN OIL
(FIRST 10 HOURS)
Evinrude/Johnson Four Stroke Oil
Engine oil amounts l (US/Imp. qt) 0.7 (0.74/0.62)
Thermostat operating temperature °C (°F) 48 – 52 (118 – 126)
* Figures shown are guidelines only, not absolute service limits.
CARBURETOR
Type KEIHIN BC19-3.5 KEIHIN BC19-3.5 KEIHIN BC21-15
I.D mark 91J80 91J90 91JB0
Main jet # 70 78
Pilot jet # 35 38
Pilot screw Turns open PRE-SET
Float height mm 10 ± 1
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