Yamaha G21A manual Specifications, 2 3 4 5 6 7 8, Items

Models: G21A

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Manual backgroundManual background SPECIFICATIONS

1ENGINE

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Items

G21A

 

 

Description:

 

Engine type

4-stroke, Gasoline, OHV

Number of cylinders

Single

Displacement

357 cm3

Bore x stroke

3.30 x 2.48 in. (85 x 63 mm)

Compression ratio

8.1:1

Rated output

11.4 hp (8.5 kw)/3500 rpm

Cooling system

Forced air cooled

Starting system

Starter

Ignition system

TCI Magneto

Spark plug type

BPR2ES

Spark plug gap

0.028-0.031 in. (0.7-0.8 mm)

Lubrication system

Splash

Engine oil type

YAMALUBE 4 cycle oil or SAE 10W30

Engine oil capacity

1.16 US qt (1.1 L, 0.24 Imp gal)

Oil change quantity

1.0 US qt (0.9 L, 0.19 Imp gal)

 

 

TRANSMISSION

Items

G21A

 

 

Transmission:

 

Type

V-belt automatic centrifugal engagement

V-belt width and outer line length

1.22 x 39.76 in. (31 x 1010 mm)

V-belt wear limit

1.06 in. (27 mm)

 

 

Governor:

 

Type

Oil bath flyweight

Factory speed setting

12 mph (19 km/h)

 

 

Differential/reduction gear:

G21A

Differential type

Bevel gear

Lubricant/capacity

SAE 90 gear oil/0.44 US qt

 

(0.42 L, 0.09 Imp gal)

 

 

BATTERIES

Items

G21A

Battery:

BCI group 24,

 

RC: minimum 75 min

 

CCA: minimum 400A

10-2

UTILITY

Page 45
Image 45
Yamaha G21A manual Specifications, 2 3 4 5 6 7 8, Items