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© 2011 ICS- Blount Inc Specifications and pricing are subject to change without notice. P/N 525747 REV12Sep2012
680GC SERVICE MANUAL
13. CYLINDER & PISTON
13.24
Install rear manifold clamp.
A. Torque to 11 in-lbs. (1.2 Nm).
Do not over tighten, damage to rear
manifold may cause engine damage.
13.25
Install the pulse tube onto cylinder barb.
13.26
Install protective spring onto pulse tube.
13.23
Install rear manifold.
A. Lubricate rear manifold with ICS
®
2-stroke
oil.
B. Push rear manifold onto cylinder intake.
C. Align rear manifold seam with cylinder
and crankcase seam.
