CFMoto 650NK - Page 73

2-54 PERIODIC MAINTENANCE
 Replace the fluid seal [A] with a new one.
 Apply brake fluid to the fluid seal, and install it into
the cylinder by hand.
 Replace the dust seal [B] with a new one if it is
damaged.
 Apply brake fluid to the dust seal, and install it
into the cylinder by hand.
 Apply brake fluid to the outside of the piston, and
push it into the cylinder by hand.
 Replace the shaft rubber friction boot [A] and dust
cover [B] if they are damaged.
 Apply a thin coat of PBC (Poly Butyl Cuprysil)
grease to the caliper holder shafts [C] and holder
holes [D] (PBC is a special high-temperature,
water-resistance grease).
 Install the anti-rattle spring [A] in the caliper as
shown.
 Install the pads (see Rear Brake Pad Installation
in the Brakes chapter).
 Wipe up any spilled brake fluid on the caliper with
wet cloth.
Spark Plug Replacement
 Remove:
Ignition Coils (see Ignition Coil (Ignition Coil
together with Spark Plug Cap) Removal in the
Electrical System chapter)
 Remove the spark plugs using the 16 mm plug
wrench [A].
Owner's Tool - Spark Plug Wrench, 16 mm
o Insert the spark plug vertically into the plug hole
with the spark plug installed in the plug wrench
[A]. Owner's Tool - Spark Plug Wrench, 16 mm
o Tighten:
Torque - Spark Plugs: 15 N·m (1.5 kgf·m, 11
ft·lb)
o Install:
Ignition Coils (see Ignition Coil (Ignition Coil
together with Spark Plug Cap) Installation in the
Electrical System chapter)