BOMBARDIER ski-doo Tundra Scandic 2004 Series, Shop Manual, Page: 115 / 427

Section 04 ENGINE
Subsection 02 (277 ENGINE TYPE)
04-02-6
MMR2004-111_04_02A.FM
Install locating sleeve. Then push needle bearings
along with thrust washers and sleeve.
TYPICAL
1. Locating sleeve
2. Sleeve
NOTE: 0.25 and 0.5 mm oversize pistons and rings
are available if necessary.
Use a locking tie to fasten all needles and thrust
washers along with locating sleeve.
INSPECTION
Refer to LEAK TEST AND ENGINE DIMENSIONS
MEASUREMENT.
ASSEMBLY
When reinstalling original needle bearings, make
sure that 31 needles are inserted between sleeve
and locating sleeve.
When installing a new cageless bearing, replace
half plastic cages by sleeve.
TYPICAL
1. Sleeve
Grease thrust washers and install them on each
end of needles.
Insert cageless bearing into connecting rod.
TYPICAL — CAGELESS BEARING AND SLEEVE INSTALLED
Mount piston over connecting rod with the letters
“AUS” (over an arrow on the piston dome) facing
in the direction of exhaust port.
1
A02C2FA
2
1
A02C2GA
A02C2HA