Wacker Neuson WM 90

WM 90 Technical Data
wc_td000143gb.fm 23
3. Technical Data
3.1 Specifications
Engine Model
WM 90
Engine
Engine Speed - full
rpm 4200 ± 100
Engine Speed - idle
rpm 2000 ± 100
Clutch Engagement
rpm 2500 ± 100
Spark Plug
type NGK BM4A or BMR4A
Electrode Gap
mm (in) 0.6–0.7 (0.023–0.028)
Cylinder Head
Compression (cold)
(kg/cm
2
)
psi
8.0–9.7 (120–140)
Air Cleaner
type Three-stage with cyclonic precleaner
Engine Lubrication
oil grade SAE 10W30
SE, SF or higher
Engine Oil Capacity
ml (oz.) 300 (10)
Cooling System
type Forced air
Ignition system
type Solid-state, flywheel magneto
Starting system
type Recoil starter
Governor system
type Centrifugal flyweight