APRILIA RSV4 Factory Service Station Manual page 304

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Table of Contents

Remove the chain tensioner complete

with O-ring using the specific tool.

If the O-ring is not on the chain ten-

sioner, make sure it was not left in the

crankcase seat.

REPLACE THE O RING UPON EACH REMOVAL.

Specific tooling

020883Y Timing chain tensioner installation/

removal tool

Rear head check

The contact surfaces with the cover and the crankcase are not scored or damaged so they

jeopardise a perfect seal.

Check the status of the valve seats.

Check that the routing of the oil pipes is free and if required, clean them by blowing a jet of

compressed air.

Rear head fitting

Install a new O ring on the chain ten-

REPLACE THE O RING UPON EACH REMOVAL.

RSV4 Factory