Service manual

MERCARB 2 BARREL CARBURETOR SERVICE MANUAL NUMBER 26
Page 5B-4 90-861329--1 MARCH 1999
Specifications
NOTICE
Unit Of Measurement: U.S. Quarts (Liters)
All capacities are approximate fluid measures.
Carburetor Adjustment Specifications
Engine Model 3.0L
Carburetor Type MerCarb 43 mm MerCarb 36 mm
Carburetor Number 3310-807504 1389-807505
Float Level 3/8 (10)
Spring Loaded Needle 9/16 (14) (See Note)
Float Drop 1-3/32 (27) (See Note)
Pump Rod 1-5/32 (29)
Choke Setting Two Marks To The Lean Side
Choke Unloader 5/64 [080] (2)
Idle Mixture Screws 1-1/4 Turns Factory Setting
Float Weight 9 Grams Maximum
Primary Jet Size 1.55 mm 1.45 mm
Power Valve Size 4 x 0.65 mm 2 x 0.60 mm
Venturi Cluster I.D. Number 171 470
Accelerator Pump
Discharge Hole Size
.025 (0.635) .035 (0.89)
All measurements are + 1/64 in. (0.4 mm).
NOTE: Float drop measured from air horn (with gasket in place) to toe of float.
INDEX