Technical Data - Westerbeke Vire 7 Owner's Manual

ENGINE
Number of Cylinders
Type
Bore
Stroke
Volume
Compression Ratio
Output/RPM
Cooling
Fuel
Carburetor
Fuel
(gasoline 92 oct.)
Engine Lubrication
Reverse/Reduction Gear Lubrication SAE 140 IN TEMPERATURES ABOVE +10o C
Fuel Consumption (continuous drive) 2.6 to 3.2 Qts/hr
Spark Plug (in normal conditions and
temperate climate)
(In exceptional conditions use
either next hotter plug - light
work, cold conditions - or next
colder plug - heavy work, hot
conditions)
Spark Plug Gap
Fly Wheel Magneto
Magneto Breaker Cap
Ignition Timing
Motor Generator
Reverse/Reduction Gear
FITS AND CLEARANCES
Piston/Cylinder
End Gap of Piston Ring
Side Clearance of Upper Piston
Ring in Groove

TECHNICAL DATA

1
Two-Stroke
(3.75 in.)
(2.756 in.)
16.3 cu. in.
6.5:1
7 HP/3000 RPM
Raw water through gear type pump
Diaphragm type in connection with carburetor, operated by
pressure fluctuations in crankcase
Tillotson HL
3 to 3.5 % oil/gasoline mixture or oil/gasoline/kerosene
mixture, of which 3 to
3.5 % oil. 15 to 20% gasoline and the rest kerosene
Two-stroke engine oil
SAE 90 in temperatures below +10o C
Bosch W 175 ZIM
Champion L-86
AC M 44 F
Autolite AE 6
NGK B-7H
or similar
0.5 mm (0.020 in. )
Bosch, light output 6V/16W
0.45 mm (0.016 in. )
30o
12 V / 14A max.
gear ratio 2:1
6.06 - 0.09mm (.002 in. / .0035 in.)
0.15 - 0.35 mm ( .006 in. / .014 in. )
0.060 - 0.085 mm ( .002 in. / .003 in. )