Montesa COTA 300RR 2018, Owner'S Manual

Page: 95 / 176

Engine servicing
4-32 4-32
(1) VALVE SPRING COMPRESSOR
(2) ATTACHMENT
(3) COTTERS
(1) PLASTIC HAMMERS (1) BOLTS
(2) CAM CHAIN TENSIONER LIFTER
(3) GASKET
Compress the valve springs with the special tools and
install the cotters.
Grease the cotters to ease installation.
Tools:
Valve spring compressor 07757-0010000
Compressor attachment 07959-KM30101
To prevent loss of tension, do not compress the valve
springs more than necessary.
Tap the valve stems gently with two plastic hammers as
shown to seat the cotters firmly.
Support the cylinder head so the valve heads do not
contact anything that may damage them.
Cylinder/Piston
Cylinder Removal
Remove the cylinder head (page 4-23).
Remove the bolts, cam chain tensioner lifter and gasket.
2
1
1
1
2
1
1
3
3