Reed Block Assembly; Assembly Of Reed Blocks To Intake Manifold; Assembly Of Exhaust Divider Plate To Block - Mercury 150 EFI Service Manual

POWERHEAD

Reed Block Assembly

IMPORTANT: DO NOT remove reeds from reed blocks, unless replacement is neces-
sary. DO NOT turn used reeds over for re-use. Replace reeds in sets only.
1. Thoroughly clean gasket surfaces of reed blocks and reed block housing. Check for
deep grooves, cracks and distortion that could cause leakage. Replace parts as neces-
sary.
2. Inspect reed block neoprene surface for wear, cuts or abraisions. Replace reed block(s)
as required.
3. Check for chipped and broken reeds.
Allowable reed opening is 0.020 in. (0.51 mm) or less. Replace reeds if either reed is stand-
ing open more than 0.020 in. (0.51 mm).

Assembly of Reed Blocks to Intake Manifold

Assembly of Exhaust Divider Plate to Block

1. Place exhaust divider seal into slot in block and install divider plate with gasket.
2. Clean bolt threads with Loctite 7649 Primer.
3. Apply Loctite 271 to bolt threads and torque bolts to 15 Ib. ft. (20.3 Nm).
Page 4A-64
051
020
105 lb. in. (11.8 N·m)
80 lb. in. (9 N·m)
58347
50806
90-883728 JULY 2001