see CRANKSHAFT TIMING PISTON
NO. 2(READ) in this subsection.
2. Remove crankshaft TDC position
tool.
3. To set front piston no. 1 to TDC
ignition turn crankshaft 280 °
counterclockwise.
TURN CRANKSHAFT 280°COIUNTERCLOCKWISE
1. Allen key14 mm
3.1 The front piston is at TDC when it's
index mark on the magneto flywheel is
aligned with the notch in the magneto
cover.
CYLINDER 1 AT TDC IGNTION
1. Mark “1” on magneto flywheel
2. Notch on magneto cover
3. Location of crankshaft position sensor
3.2 Confirm printed marks on the
camshaft timing gear are parallel with
cylinder head base, in the lowest
position.
NOTE: In this position the piston is set
to TDC ignition.
TYPICAL – PISTON AT TDC IGNTION
1. Printed marks on camshaft timing
gear
2. Cylinder head base
Crankshaft TDC Position Tool
Installation
NOTICE Never use crankshaft TDC
posotion tool to remove or tighten drive
CVT screw or rotor retaining screw.
Damage to the teeth of the trigger whell
on the rotor will occur.
Install tool in magneto cover CPS bore.
NOTE: Make sure to match the teeth on
the crankshaft TDC position tool with
the magneto rotor.
TIMING CHAIN
The engine is equipped with two timing
chains.
- MAG side timing chain is located
behind the magneto cover.
- PTO side timing chain is located
behind the PT0 cover.
Removing the Timing Chain (MAG
Side)
Refer to MAGENTO SYSTEM
subsection and remove following parts:
- Magneto cover
- Rotor
- Sprag clutch gear.
Refer to TOP END subsection and
remove following parts:
- Valve cover.
Refer to following procedures in this
subsection and remove following parts:
- Chain tensioner
- Camshaft timing gear.