EN
1
9
1. Remove the spark plug cap.
2. Clear away dirt around the spark plug base.
3. DismantIe the spark plug with a spark plug wrench.
4. Clean with a steel brush. If the insulator is damaged, replace the spark plug instead.
5. Measure the spark plug clearance with a feeler. The clearance should be 0,7 ~ 0,8 mm. If adjustment is necessary,
bend the side electrode carefully.
6. Check if the spark plug gasket is in good conditions, or replace with a new one. Screw on the spark plug to the bottom
first by hand and then screw in by a spark plug wrench. if a new spark plug is used, twist 1/2 more turns after impacting
the gasket, if reinstall the original one, just twist 1/8 - 1/4 more turns.
CAUTION :
-
Spark plug wrench
- The spark plug must be tightened securely, or it may become very hot to damage the engine.
'Only use recommended spark plug or the equivalent. Incorrect heat range of the spark plug may damage the en-
gine.
CARBURETOR IDLING ADJUSTMENT
1. Start and preheat the engine until arriving at the normal working tempera
-
ture.
2. Obtain standard idling by adjusting the throttle fixing screw under the en
-
gine's idling. Standard idling: 1700± 150rpm
TRANSPORT, STORAGE AND REMOVAL FROM STORAGE
✓
Transport
Transport with the fuel cock turned off. Transport or store the engine when it is cool so as to avoid getting burns or fire.
CAUTION:
Do not incline the engine so as to avoid fuel's spill. Spilled fuel or fuel vapor may ignite to cause fire.
✓
Storage
If the engine is not kept in use for a long time, be sure to store it properly. Make sure the storage area is dry and free of dust.
Drain plug
Deposit cup
Align the arrow of the
starting sleeve with
the hole in the starter.
Throttle fixing screw
0,7 - 0,8 mm
Spark plug wrench
Summary of Contents for SM9800
Page 1: ...en el WWW NAKAYAMATOOLS COM ART NO SM9800 043034 USER S MANUAL...
Page 23: ...EL WWW NAKAYAMATOOLS COM 23 1 B 1 2 C 5 X2 X2 2 5 3 4 C X4 B 1...
Page 24: ...EL WWW NAKAYAMATOOLS COM 24 3 7 10 D 4 11 11 6 7 8 9 10 D 11...
Page 25: ...EL WWW NAKAYAMATOOLS COM 25 1 2 3 4 1 2 3...
Page 26: ...EL WWW NAKAYAMATOOLS COM 26 6 H 1 2 J 3 K 4...
Page 29: ...29 EL K T T B M K M E...
Page 30: ...30 EL 12V 18 Ah 15 1 2 3 4 5 6 7 8...
Page 31: ...31 EL Inspection before operation 0 6 1 2 3 4 SAE 20W 50 1 2 3 o 4 5...
Page 32: ...32 EL I II III 1 2 IV 1 2 K...
Page 33: ...33 EL K 95 3 6 lt 1 2 E 1 ON 2 CLOSE OFF CLOSE ON...
Page 34: ...34 EL 3 M 4 X ON T H START ON 5 10 1 OPEN 2 ON OPEN ON...
Page 35: ...35 EL ON 1000 3 5 305 1000 STOP OFF 1 2 OFF 3 OFF Exhaust control system 1 2 3 OFF...
Page 36: ...36 EL 4 1 20 50 6 100 300 1 1 2 2 2 600 1 2...
Page 37: ...37 EL 1 2 3 30 psi 1 30 psi 2 1 2 3 B 4 E...
Page 38: ...38 EL T 1 2 3 4 5 6 OFF ring ON BPR6ES NGK NHSp LD F6RTC O ring...
Page 39: ...39 EL 1 A 2 3 4 5 0 7 0 8 mm 6 1 2 1 8 1 4 1 2 1700 150rpm B 0 7 0 8 mm...
Page 40: ...40 EL X 1 2 2 1 1 2 1 2 1 2 3 4 K E 1 M 2 3 4 1 2 3 4 1 2 3 4 1 2 3 I 1 A 1 2...
Page 41: ...41 EL 2 X H 3 O K E 4 5 80 110 o C 60 C...
Page 42: ...42 EL 6...
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