Cobra CX50 2014 5R King, Руководство пользователя

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If during the course of the maintenance more parts than the base gasket are changed,
the squish clearance should be measured, and possibly a different base gasket will be
required.
The easiest way to measure squish clearance is with 1mm to 1.5mm thick flexible
solder wire (available through most popular electronic stores). The process is as
follows:

Assemble the top end of the engine with either; 1) the crankcase stamp
recommended base gasket or, 2) if assembling with a new set of cases assemble
with a 0.4mm (0.015”) base gasket, and torque the head nuts to the proper torque
specifications leaving off the spark plug and ignition cover (piston rings can be left
off to ease of assembly).

Carefully insert the solder wire though the spark plug hole, into the cylinder far
enough such that the tip of the wire touches the left or right side cylinder wall (not
the front or back as the piston will rock more and give incorrect measurement).

Hold the wire at this position and rotate the crankshaft, by the flywheel nut (or kick
lever) three revolutions to crush the solder wire.
CAUTION:
If you rotate the flywheel nut in a counterclockwise direction there is a risk of loosening
the nut.

Pull out the wire and measure the solder thickness at the thinnest location near its
tip accurately with the thin tips of calipers.

Adjust base gasket thickness as necessary to get the desired value.
Upon completion, your final assembly squish clearance should agree with the chart
below: