D50/Power Ram 50 L4-2555cc 2.6L SOHC (1987)
Valve Clearance: Adjustments
On 1985-88 2000cc and 2600cc engines, the intake and exhaust valves are equipped with hydraulic lash adjusters with no provision for adjustment.
However, the jet valve requires periodic adjustment.
JET VALVE
Fig. 13 Adjusting jet valve clearance
Models Equipped w/ Hydraulic Lash Adjusters
Following procedure for intake and exhaust valve adjustment, position No. 1 cylinder at top dead center compression stroke. Loosen jet valve
adjusting screw locknut. Back off jet valve adjusting screw and insert a suitable feeler gauge as specified in ``Valve Specification Chart'' between jet
valve stem and adjusting screw, Fig. 13. Tighten jet valve adjusting screw until it contacts the feeler gauge blade, then while holding screw in position,
tighten locknut. Position remaining cylinders at top dead center and repeat jet valve adjustment procedure.