Snowmobile Arctic Cat 2-Stroke (2007 year). Manual - part 13

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MD0276

„NOTE: Keep the special mounting hardware with
the shrouds for assembling purposes.

MD0065

5. Remove the spark plug grommets.

MD0060

6. Using Spanner Wrench (p/n 0144-007) to hold the

starter pulley, remove the cap screw securing the

flywheel to the crankshaft.

MD0282

7. Using Spanner Wrench (p/n 0144-007) to hold the

starter pulley, remove the three cap screws secur-

ing the starter pulley and fan to the flywheel.

MD0275

8. Using Flywheel Puller (p/n 0744-040) or suitable

substitute, remove the flywheel.

„NOTE: To ensure the cleanliness of the flywheel
magnets, place the flywheel (with the magnets fac-
ing upward) on a clean bench.

9. Remove the six cap screws securing the rear

(intake-side) shroud; then remove the shroud.

Account for the special washers.

! CAUTION

To prevent damage to the crankshaft, install a pro-
tective insert into the end of the crankshaft. The
puller must bottom on the insert and not on the
crankshaft. Also, do not thread puller bolts more
than five threads into the flywheel. Damage to the
stator coils may result.

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2

MD0277

MD0067

10. Remove the rubber insulator grommet from the

crankcase; then remove two Phillips-head cap

screws securing the ignition timing sensor and pull

the wires through the hole in the crankcase.

MD0075

MD0074

11.  Remove the three Allen-head cap screws securing

the stator and remove it along with the stator wir-

ing.

MD0072

MD0076

12. Remove the four Allen-head cap screws securing

the stator plate. Remove the stator plate.

MD0255

MD0078

2-40

13. Remove the four cap screws securing the seal

retainer plate on the PTO-side; then remove the

plate.

MD0081

14. Remove the spark plugs.

MD0083

15. Remove the eight cap screws, two nuts, and two

washers securing the cylinder head to the cylin-

ders; then remove the cylinder head. Discard the

cylinder head gasket.

MD0289

16. Remove the four 6 mm nuts and eight 10 mm nuts

securing the cylinders to the crankcase.

„NOTE: Using a felt-tip marker, mark the cylinders
as to MAG-side and PTO-side for assembling.
Also, mark the pistons at this time.

MD0087

MD0086

17. Remove the cylinders making sure to support the

pistons so they are not damaged. Account for four

dowel pins.

MD0230

! CAUTION

When removing a cylinder, make sure to support the
piston so it will not be damaged.

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2

MD0096

18. Using an awl, remove the outside piston-pin cir-

clip and remove the piston pin using Piston Pin

Puller (p/n 0644-328) taking care not to drop the

piston-pin bearing washers into the crankcase.

MD0094

„NOTE: The open sides of the piston pin bearing
washers face inward.

MD0251

MD0208

„NOTE: If the existing rings will not be replaced
with new rings, note the location and top side of
each ring for proper installation. When replacing
with new rings, replace as a complete set only.
When replacing rings note notches in ring ends
which correspond with locating pins in ring
grooves on intake side of the piston. This prevents
the rings from turning on the piston when assem-
bled.

MD0272

MD0271

19. Remove the two Allen-head cap screws securing

the oil-injection pump; then remove the pump.

Account for an O-ring.