SeaDoo SP Manual de Serviço descarregar pdf (Página 54)

Section 04 ENGINE

Sub-Section 02 (TOP END)

040-02-5

– The needles, thrust washers and the expansion

sleeve remain in the connecting rod bore and

may be used again.

To remove rollers with the thrust washers from

the connecting rod bore, push them together with

the expansion sleeve into the bushing (P / N 290

877 181) using any suitable 23 mm (.905 in) diam-

eter pusher.

CAUTION : Recover rollers, make sure

that 34 rollers are found for each piston.

1. Pusher 23 mm (.905 in)

587 Engine

To extract piston pin, it is possible to use piston

pin puller (P / N 295 000 105) as follows :

– Fully thread on puller handle.

– Insert extractor spindle into the piston pin.

– Screw extracting nut (P / N 290 877 115) with

the movable extracting ring towards spindle.

– Hold puller firmly and rotate puller handle to pull

piston pin.

CLEANING

Discard all gaskets and O-rings.

Clean all metal components in a solvent.

Clean water passages and make sure they are not

clogged.

Remove carbon deposits from cylinder exhaust

port, cylinder head and piston dome.

Clean piston ring grooves with a groove cleaner

tool, or a piece of broken ring.

INSPECTION

Visually inspect all parts for corrosion damage.

Inspect piston for damage. Light scratches can be

sanded with a fine sand paper.

Inspect plane surfaces for warpage. Small defor-

mation can be corrected by grinding surface with

a fine sand paper. Install sand paper on a surface

plate and rub part against oiled sand paper.

The inspection of engine top end should include

the following measurements.

F01D2YA

A21C04A

ENGINE

MEASUREMENT

TOLERANCES

NEW PARTS

(min.) (max.)

WEAR

LIMIT

Cylinder

Taper

N.A.

0.05 mm

(.002 in)

0.1 mm

(.004 in)

Cylinder Out

of Round

N.A.

0.008 mm

(.0003 in)

0.08 mm

(.003 in)

Piston / Cylinder

Wall Clearance for

the 587 Engine

0.05 mm

(.002 in)

0.07 mm

(.0028 in)

0.20 mm

(.008 in)

Piston / Cylinder Wall

Clearance for the

717 Engine

0.06 mm

(.0024 in)

0.08 mm

(.0031 in.)

0.20 mm

(.008 in)

Piston / Cylinder Wall

Clearance for the

787 Engine

0.10 mm

(.004 in)

0.12 mm

(.005 in)

0.15 mm

(.006 in)

Ring / Piston Groove

Clearance for

the 587 Engine

0.05 mm

(.002 in)

0.08 mm

(.003 in)

(.008 in)

Ring / Piston Groove

Clearance for the

717 and 787 Engines

0.03 mm

(.001 in)

0.07 mm

(.003 in)

0.20 mm

(.008 in)

Ring End

Gap

0.25 mm

(.010 in)

0.40 mm

(.016 in)

1.0 mm

(.039 in)

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