Yamaha YDRA Owner's And Operator's Manual page 47

ENGINE
Items
Description:
Engine type
Number of cylinders
Displacement
Bore x stroke
Compression ratio
Rated output
Cooling system
Starting system
Ignition system
Spark plug type
Spark plug gap
Lubrication system
Engine oil type
Engine oil capacity
Oil change quantity
TRANSMISSION
Items
Transmission:
Type
V-belt width and outer line length
V-belt wear limit
Governor:
Type
Factory speed setting
Differential/reduction gear:
Differential type
Lubricant/capacity
JC0
SPECIFICATIONS
YDRA PTV
4-stroke, Gasoline, OHV
Single
357 cm
85 x 63 mm (3.30 x 2.48 in.)
8.5 kw (11.4 hp)/3500 rpm
Forced air-cooled
Starter
TCI Magneto
BPR2ES
0.7-0.8 mm (0.028-0.031 in.)
Splash
YAMALUBE 4-cycle oil or SAE 10W30
1.0 L, 1000 cc (1.0 US qt)
1.0 L, 1000 cc (1.0 US qt)
YDRA PTV
V-belt automatic centrifugal engagement
31.0 x 1010 mm (1.20 x 39.76 in.)
27.0 mm (1.06 in.)
Oil bath flyweight
19 km/h (12 mph)
Bevel gear
Yamalube Friction Modified Shaft Drive Gear
Oil / 1750 mL (1.85 quarts total). Alternative
lubricant is mixture of 1660 mL (1.75 quarts)
80W90 Gear Oil and 90 mL (0.10 quarts)
API G15 Limited Slip Additive.
3
8.1:1
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