WM 650 / WM 720 Technical Data
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6. Technical Data
WM 650 WM 720
Engine
Engine Type
type
4-stroke, 2 cylinder, air cooled
Engine Make
type
Wacker
Rated Power
kW (Hp)
12.3 (16.5)
@ 3100 rpm
15.3 (20.5)
@ 3600 rpm
18.6 (25.0)
@ 3600 rpm
Displacement
cm³ (in³)
653 (39.9) 720 (44)
Spark Plug NGK-BP6ES NGK-BPR4EY
Electrode Gap
mm (in)
0.6-0.7 (0.024-0.027)
Engine Speed - full load
rpm
3100 3600
Engine Speed - idle
rpm
2000 1400
Valve Clearance (cold)
intake:
exhaust:
mm (in.)
0.08-0.115 (0.0031-0.0045)
0.08-0.115 (0.0031-0.0045)
Battery
V
12VDC
Air Cleaner
type
Dual Element
Fuel
type
Regular Unleaded Gasoline
Starter
type
Electric Start
Engine Oil
type
l (qt.)
10W30 API class SE minimum
1.55 (1.64)
Dimensions (L x W x H)
mm (in.)
317 x 477 x 475 (12.5 x 18.8 x 18.7)
Dry Weight
kg (lbs.)
44 (97) 46 (101)
Emissions Durability Period
(California Only)
500 hours