SPARK PLUG
Level 2.
Parts Required:
Spark Plug NGK BPMR-8Y
IMPORTANT
damage may occur.
electrode.
2. Clean the plug or replace with a new one. DO NOT sand blast to
clean. Remaining sand will damage engine.
3. Adjust spark plug gap 0.65mm (0.026 in.) by bending outer elec-
trode.
4. Tighten spark plug to 150-170 kg/cm (130-150 in. lb.).
COOLING SYSTEM
Level 2.
Parts Required: None.
IMPORTANT
combustion heat away from the engine.
cylinder.
insulates the engine and prevents the heat from leaving.
Removal of cooling passage blockages is considered "Normal Mainte-
nance." Any failure attributed to lack of maintenance is not warranted.
P
P
OWER
O
'
PERATOR
S
0.65 mm
(0.026 in.)
TM
RUNER
23
M
ANUAL