Powerhead
Page 4A-66 90-8M0050731 MAY 2011
7. Install a washer and nut onto each stud and tighten the nut to the specified torque.
a - Water hose to expansion chamber
b - Nut and washer (M8)
c - Air compressor oil inlet hose
d - Oil hose to top main bearing
e - Oil hose to #5 reed block
Description Nm lb‑in. lb‑ft
Nut securing air compressor 34 25
8. Tighten the two top screws (M10 x 25) securing the air compressor assembly to the cylinder block to the specified torque.
Description Nm lb‑in. lb‑ft
Screw (M10 x 25) (2)
First 1.5 13
Final 56 41.3
9. Secure the air compressor hose to the air compressor with a J‑clamp and cable tie. Secure the water hose and air compressor
hose to the air compressor with a cable tie.
a - Water hose
b - Air compressor to fuel rail hose
c - Cable tie
d - Plastic J‑clamp
10. Install two O‑rings onto the fuel rail air compressor hose fitting. Lubricate the O‑rings with 2‑cycle Premium Outboard Oil.
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