Repair manual

WM 80 Repair Technical Data
wc_td000166gb.fm 15
2.2 Tune-up Specifications
* On models with adjustable air gap
** Must be used on models with oil injection
Engine Model
WM 80
Ring gap:
New
Maximum
mm (in.)
mm (in.)
0.2–0.4 (0.008–0.016)
1.0–1.2 (0.039–0.047)
Cylinder wear:
Maximum bore taper
mm (in.) 0.2 (0.008)
Cylinder head
compression
kg/cc (psi) 8.0–9.7 (120–140)
Ignition module air gap*
mm (in.) 0.4 (0.016)
Spark plug gap:
Champion RL86C
Champion UJ11G
Champion RL95YC**
mm (in.)
mm (in.)
mm (in.)
0.5 (0.020)
1.0–1.1 (0.040–0.045)
0.5 (0.020)