Spark Plug; Air Cleaner - TGB Outback 425 Owner's Manual

13. Spark Plug

Recommended spark plug: CR7E. Remove spark plug cap.
Clean dirt around the spark plug hole. Remove spark plug.
Measure spark plug gap.
Spark plug gap
Carefully bend ground electrode of the plug to adjust the gap if
necessary.
Hold spark plug washer and install the spark plug by screwing it.
Tighten the plug by turning 1/2 turn more with plug socket after installed.

14. Air Cleaner

Remove seat.
Loosen 4 hooks from the air cleaner cover and then remove the
cover.
Loosen the clamp strip and 1 screw of air cleaner element, and
then remove the air cleaner element. Clean the element with
non-flammable or high-flash point solvent and then squeeze it
completely dry.
15. Carburettor Idle Speed Adjustment
Set the parking brake.
Shift the transmission to neutral.
Warm up engine.
Connect tachometer (the wire clamp of tachometer is
connected to the high tension cable).
Turn the throttle valve stopper screw to specified idle
speed.
Specified idle speed: 1500 ± 100 rpm
20
0.7~0.8 mm
¡