2000 Arctic Cat 300 2X4 - ArcticChat.com - Arctic Cat Forum

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post #1 of 4 Old 07-24-2007, 08:47 PM Thread Starter
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ATV: 300
Can anyone help me in finding a service manual or pages from a service manual on checking timing and adjusting, on an 2000 Arctic Cat 300? It is the same as the Suzuki 300 king quad.

Thanks
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post #2 of 4 Old 07-25-2007, 09:31 PM
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ATV: 2000 Arctic Cat 500 4x4
To check and adjust valve/tappet clearance, use the
following procedure.
NOTE: On the 250/300 cc, the seat and air-intake
snorkel must be removed for this procedure.
NOTE: On the 400/500 cc, the seat assembly, side
panels, and gas tank must be removed for this
procedure.
1. Remove the timing inspection plug; then remove
the tappet covers (for more detailed information,
see Section 3 - Servicing Top-Side Components).
2. Rotate the crankshaft to the TDC position on the
compression stroke.
NOTE: At this point, the rocker arms and adjuster
screws must not have pressure on them.
3. Using a feeler gauge, check each valve/tappet
clearance. If clearance is not within specifications,
loosen the jam nut and rotate the tappet adjuster
screw until the clearance is within specifications.
Tighten each jam nut securely after completing the
adjustment.
The feeler gaugemust be positioned at the same
angle as the valve and valve adjuster for an
accurate measurement of clearance. Failure to
measure the valve clearance accurately could
cause valve component damage.
VALVE/TAPPET CLEARANCE (250 cc)
Intake 0.03-0.08 mm (0.001-0.003 in.)
Exhaust 0.08-0.13 mm (0.003-0.005 in.)
VALVE/TAPPET CLEARANCE (300 cc)
Intake 0.03-0.08 mm (0.001-0.003 in.)
Exhaust 0.17-0.22 mm (0.007-0.009 in.)
VALVE/TAPPET CLEARANCE (400/500 cc)
Intake 0.05-0.10 mm (0.002-0.004 in.)
Exhaust 0.17-0.22 mm (0.007-0.009 in.)

4. Install the timing inspection plug.
5. Place the two tappet covers into position making
sure the proper cap screws are with the proper
cover. Tighten the cap screws securely.
! CAUTION
2-12

2000 500 Arctic Cat 4x4 Auto, 4 27x12 Mudzillas, 1.5" Spacers, Warn in the front, Champion in the rear, Shane Mod, Slide Mod, Sealed Pull Start, Oury Grips, AC-3 Tractor Muffler, HL Lift Kit, Jet Kit, Fan Switch, 55 Watt Driving Lights, Fully Snorkeled. (Mine)

2006 Yamaha Grizzly with 14" ITP's and 27" XTR's. (Dads)

2006 400 Kodiak 4x4, Warn 2.5, 27" Vampires. (Brothers)

2006 500 Foreman 4x4 w/ 27" Bi/Tri's, Warn 2.5. (Uncles)

http://pg.photos.yahoo.com/ph/brando...east/my_photos
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post #3 of 4 Old 07-26-2007, 03:42 PM Thread Starter
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ATV: 300
Tuck05 thanks for replying. I was able to adjust them now. Can you tell me what the compression is supposed to be , I only get 70lb.

Thanks for the help.
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post #4 of 4 Old 07-26-2007, 05:49 PM
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ATV: 2000 Arctic Cat 500 4x4
Are you the guardian guy over on HL? If so, I posted there too.

For the 250/300 cc, the compression
should be within a range of 157.5-192.5 psi in the
full-open throttle position.


That came from my 2000 SM.

2000 500 Arctic Cat 4x4 Auto, 4 27x12 Mudzillas, 1.5" Spacers, Warn in the front, Champion in the rear, Shane Mod, Slide Mod, Sealed Pull Start, Oury Grips, AC-3 Tractor Muffler, HL Lift Kit, Jet Kit, Fan Switch, 55 Watt Driving Lights, Fully Snorkeled. (Mine)

2006 Yamaha Grizzly with 14" ITP's and 27" XTR's. (Dads)

2006 400 Kodiak 4x4, Warn 2.5, 27" Vampires. (Brothers)

2006 500 Foreman 4x4 w/ 27" Bi/Tri's, Warn 2.5. (Uncles)

http://pg.photos.yahoo.com/ph/brando...east/my_photos
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