Joyner TROOPER-T2 Owner's Manual page 47

1. Unscrew 8 screws and take off spark plug plastic cover.
2. Clean the dust in the spark plug seat.
3. Pull off the high-voltage wire，remove the spark plug with a special spanner.
4. Insert a new spark plug or a cleaned spark plug, and turn a few rounds clockwise, if
retardarce happen, take it off and try it again to make sure screw engaged correctly.
5. Tighten spark plug with a special spanner (torque:25N*m/18.4Ft-Lb )
6. Connect high-voltage wire in order.
Engine damage or working unsteadily may occur if:
1. Not install the spark plug correctly.
2. Use a forbidden spark plug.
To avoid damage, follow the following items
1. Tighten spark plug to a required torque (25N*m), over tightening will damage the
screw.
2. Removing or installing a spark plug, make sure the slot aligned.
3. Do not pull the high-voltage wire, pulling the tube wrapping the high-voltage wire is
allowed.
4. Other brands of spark plug are forbidden.
Special spanner
47
Spark plug seat
0.9～1.1mm
0.035～0.043inch