TABLE OF CONTENTS
D. SPARK PLUG INSPECTION:
WARNING:
●L
arge gaps, thick deposits and electrode erosion will result in poor
spark plug performance.
●
Engine is still very hot after engine stops.
Be careful not to burn yourself.
1.Cleaning:
●
Turn spark plug finger tight, then tighten with
●T
he best way to clean plugs is with spark plug cleaner.
spark plug wrench. *Do not over tighten.
Purchase at any automotive shop.
●
Use of a wire brush is okay if no cleaner is available.
2.Adjustment:
●
Normally electrode gap is 0.025- 0.030. (as shown.)
3.Recommended spark plug:
NGK-CR7HSA
●
If failing problems occur use NGK-CR6HSA.
●
Do not use spark plugs not recommended or cross referenced.
25
Side Electrode
Center Electrode
(0.6~0.7)mm
Sealing
W h
Motofino USA, Inc.
