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Section 04 ENGINE (2-STROKE)

Subsection 04 (TOP END)

F00B09A

1. Use the micrometer to set the cylinder bore gauge

2. Dial bore gauge

F00B0AA

1. Indicator set to zero

Position the dial bore gauge at 16 mm (5/8 in) be-

low cylinder top edge.

F01D0KA

1. Measuring perpendicularly (90°) to piston pin axis

A. 16 mm (5/8 in)

Read the measurement on the cylinder bore

gauge. The result is the exact piston/cylinder wall

clearance.

NOTE: Make sure the cylinder bore gauge indica-

tor is set exactly at the same position as with the

micrometer, otherwise the reading will be false.

Ring/Piston Groove Clearance

717 and 787 RFI Engines

Using a feeler gauge, check clearance between

rectangular ring and groove. If clearance exceeds

specified tolerance, replace piston.

NOTE: Ring/piston groove clearance can be cor-

rectly measured only on rectangular ring which is

bottom ring.

F01D0XA

1. Feeler gauge

2. Rectangular ring (bottom)

smr2004-Complete Line Up 115

SeaDoo GTI User Manual

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