Inspection; Installation - BRP Johnson J30TEL4SUA 2007 Service Manual

Inspection

Inspect the timing chain, the tensioner, the guide,
and the sprockets for wear and damage.
Inspect the plunger and the latch of the tensioner
adjuster for smooth operation.
Check the oil passage with a syringe filler with iso-
propyl alcohol.
2
3
1. Latch
2. Plunger
3. Oil passage
Check the upper oil seal for wear or damage.
Replace the oil seal if necessary.
IMPORTANT:
The oil seal lip must face toward
the sprocket when the housing is installed.
1
1. Upper oil seal
TIMING CHAIN AND TENSIONER

Installation

Align the crankshaft timing mark with the crank-
case timing mark by turning crankshaft.
Install the dowel pin into the camshaft. Make sure
that the dowel pin is at the top.
1
1
001429
1. Dowel pin
2. Crankcase timing mark
3. Crankshaft timing mark
Install the timing chain on the crankshaft. Make
sure that one of the yellow plates of the timing
chain is aligned with the crankshaft timing mark.
Install the timing chain on the timing sprocket.
Make sure that the other yellow plate of the timing
chain is aligned with the arrow mark on the timing
sprocket. Install the timing sprocket onto the cam-
shaft as shown.
001432
POWERHEAD
3
2
7
001433
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