Kawasaki STX-15F service manual Piston TDC Finding

6-16 ENGINE TOP END

Camshaft, Camshaft Chain

•Remove the spark plugs.

•Using the shaft wrench [A], turn the crankshaft counter- clockwise [B] and set the crankshaft at #1, 4 piston TDC (see Piston TDC Finding).

Special Tool - Shaft Wrench: 57001-1551

•Pull the tension side (exhaust side) of the chain taut to install the chain.

•Engage the camshaft chain with the camshaft sprockets so that the timing marks on the sprockets are positioned

as shown.

○The timing marks must be aligned with the cylinder head upper surface [A].

EX mark [B] #1 Pin [C] #2 Pin [D] IN mark [E] #31 Pin [F]

•Install the camshaft cap [A] and upper camshaft chain guide [B]. While pushing the camshaft chain, tighten all

camshaft bolts and chain guide bolts.

○Install the longer (white) bolts to the #10 and #14 position shown by triangle marks.

○First tighten the all camshaft cap and chain guide bolts evenly to seat the camshaft in place, then tighten all bolts following the specified tightening sequence.

Torque - Camshaft Cap Bolts: 12 N·m (1.2 kgf·m, 104 in·lb) Upper Camshaft Chain Guide Bolts: 12 N·m (1.2

kgf·m, 104 in·lb)

•Tighten the camshaft chain tensioner (see Camshaft Chain Tensioner installation).

○Turn the crankshaft counterclockwise two turns.

•Install the cylinder head cover (see Cylinder Head Cover installation).

Piston TDC Finding

This job can be done when the engine is on the hull and during camshaft installation.

•Prepare a suitable wire for pointer.

•Using the coupler cover bolt [A], hold the wire pointer [B].