Yamaha G20A Owner's/Operator's Manual page 42

SPECIFICATIONS
ENGINE
1
Description:
2
Engine type
Number of cylinders
Displacement
Bore x stroke
3
Compression ratio
Rated output
Cooling system
4
Starting system
Ignition system
Spark plug type
Spark plug gap
5
Lubrication system
Engine oil type
Engine oil capacity
6
Oil change quantity
TRANSMISSION
7
Transmission:
Type
8
V-belt width and outer line length
V-belt wear limit
Governor:
9
Type
Factory speed setting
Differential/reduction gear:
10
Differential type
Lubricant/capacity
11
BATTERIES
Battery:
10-2
Items
Items
Items
G20A
4-stroke, Gasoline, OHV
Single
301 cm
3.07 x 2.48 in. (78 x 63 mm)
8.1:1
9.5 hp (7.1 kw)/4000 rpm
Forced air cooled
Starter
TCI Magneto
BPR2ES
0.028-0.031 in. (0.7-0.8 mm)
Splash
YAMALUBE 4 cycle oil or SAE 10W30
1.16 US qt (1.1 L, 0.24 Imp gal)
1.0 US qt (0.9 L, 0.19 Imp gal)
G20A
V-belt automatic centrifugal engagement
1.22 x 39.76 in. (31 x 1010 mm)
1.06 in. (27 mm)
Oil bath flyweight
12 mph (19 km/h)
G20A
Bevel gear
SAE 90 gear oil/0.44 US qt
(0.42 L, 0.09 Imp gal)
G20A
BCI group 24,
RC: minimum 75 min
CCA: minimum 400A
3
MULTI-PASSENGER