Mercury 40 Service Manual

NON-BIGFOOT GEAR HOUSING
Page 6A-1590-828631R3 MARCH 1999
Disassembly
Water Pump
NOTE: If water tube seal remained in drive shaft housing, remove seal from housing and
reinstall on water pump cover. Secure seal to cover with Loctite 405.
1. Remove 4 bolts securing pump cover.
52830
a
b
a-Seal
b-Bolt (4)
NOTE: Replace cover if thickness of steel at discharge slots is 0.060 in. (1.524 mm) or less,
or if groove(s) (other than impeller sealing groove) in cover roof are more than 0.030 in.
(0.762 mm) deep.

Mercury 40 Specifications

General

Horsepower	40 hp
Starting System	Electric
Steering	Remote
Fuel Induction System	EFI (Electronic Fuel Injection)
Shaft Length	20"
Full Throttle RPM Range	6000