BOMBARDIER ELAN 3042 1985 Shop Manual page 117

To correctly install the rotary valve disc
proceed as follows:
-Turning crankshaft counter-clockwise. (drive pulley
side) bring magneto side piston to Top Dead Center
using a T D.C. gauge.
- Position the rotary valve d1sc on gear to have edges
as close as poss1ble to the marks.
0
NOTE: Th e rotary valve disc is asymmetrical.
therefore . at assembly, try positioning each side
of disc on gear to determine bes t installation position.
Spray some injection oil on rotary valve before closing
rotary valve cover.
30, Screw MB x 20
Tor que the four cover screws to
21
N•m ( 15 lbf•ftl.
Section 02 ENGINE
Sub-section 05 (462 ENGINE TYPE)
INSPECTION
25,28, Rotary valve, rotary valve cover
A gap of .27 - 48 mm (0 .011" - 0 019 ") must be main-
tain between the rotary valve and the crankcase .
To measure this gap use a feeler gauge 1nserted between
rotary valve and upper crankcase with the rotary valve
cover in place w1thout its 0-ring . Check the most sur-
face possible . Follow the same proced ure with the lower
crankcase .
A01300202•
02-05-21