Baja Motorsports WR90 - Manual (Page 18)

ADJUSTING THE THROTTLE CABLE
Make sure that the adjusting and lock nuts of throttle cable work normally.
Check if throttle twist grip has the required free operating movement.
The required free operating movement: 2-6mm. If grip cannot be moved freely,
turn adjusting nut to ensure proper operating movement.
*After adjustment, start engine and check for operating movement again. Repeat
adjustment if necessary until desired operating movement is obtained.
ADJUSTING THE CARBURETOR
Adjusting procedures of idling speed:
1. Support vehicle by a stand.
2. Adjust idling speed by throttle stop screw to 1500 ± 150rpm.
CAUTION
Do not try to correct a malfunctioning carburetor by adjusting the idling speed. If
carburetor is not functioning properly, it should be repaired by a service center.
Adjust idling speed only when engine is warmed up or 10 minutes after operation.
Idling speed adjusting screw
!