Hayter Harrier 48 490E Owner's Handbook Manual page 23

To prevent accidents stop the engine and disconnect the spark
plug lead before attempting to carry out maintenance procedures
on the mower.
1. Air Cleaner
2. Fuel Cap
3. Start Grip
4. Cover
5. Oil fill/Dipstick
6. Exhaust Guard
7. Exhaust
8. Spark Plug / Lead
9. Carburettor
Throttle Cable Adjustment
Loosen casing clamp screw (1) and move the governor lever (2) in the
direction of screw (1) as far as possible. Move the throttle control to
the choke position. Tighten casing clamp screw.
Carburettor Adjustments
Should only be made by an authorised Briggs & Stratton dealer. Under
no circumstances should the engine be adjusted to run at a speed in
excess of that shown on the Declaration of Conformity.
MOWER MAINTENANCE
Engine
2
1
9
8
490TH14 A
1
3
4
5
6
7
2
1.23