Arctic Cat DVX 250 2007, Руководство по обслуживанию

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3-3
3
* Specifications subject to change without notice.
CYLINDER, PISTON, AND RINGS
Piston Skirt/Cylinder
Clearance (max) 0.12 mm (0.0047 in.)
Cylinder Bore (max) 66.09 mm (2.602 in.)
Piston Diameter
18 mm (0.71 in.) from Skirt End 65.880 mm (2.5936 in.)
Piston Ring
Free End Gap (min) (1st)
(2nd)
6.0 mm (0.24 in.)
7.2 mm (0.28 in.)
Bore x Stroke 66 x 72 mm
(2.60 x 2.84 in.)
Cylinder Trueness (max) 0.05 mm (0.002 in.)
Piston Ring End Gap - Installed 0.25-0.50 mm
(0.010-0.020 in.)
Piston Ring to Groove
Clearance (max) (1st)
(2nd)
0.180 mm
(0.0071 in.)
0.150 mm
(0.0059 in.)
Piston Ring Groove
Width (1st)
(2nd)
(oil)
1.01-1.04 mm
(0.040-0.041 in.)
1.22-1.24 mm
(0.048-0.049 in.)
2.01-2.03 mm
(0.079-0.080 in.)
Piston Ring Thickness (1st)
(2nd)
0.97-0.99 mm
(0.038-0.039 in.)
1.17-1.19 mm
(0.046-0.047 in.)
Piston Pin Bore (max) 16.05 mm (0.6318 in.)
Piston Pin Outside
Diameter (min) 15.98 mm (0.6291 in.)
CRANKSHAFT
Connecting Rod
(small end inside diame-
ter) (max) 16.040 mm
(0.6315 in.)
Connecting Rod
(big end side-to-side) 0.10-0.45 mm
(0.004-0.018 in.)
Connecting Rod
(big end width) 17.95-18.00 mm
(0.707-0.709 in.)
Connecting Rod
(small end deflection) (max) 3 mm (0.12 in.)
Crankshaft (web-to-web) 52.9-53.1 mm
(2.08-2.09 in.)
Crankshaft Runout (max) 0.08 mm (0.003 in.)
Oil Pump Reduction
Ratio 1.566 (47/30)
Oil Pressure at 60°C
(140°F) @ 3000 RPM (above)
(below)
0.3 kg/cm² (4.3 psi)
0.7 kg/cm² (10 psi)
CLUTCH
Clutch Release Screw 1/8 turn back
Drive Plate (fiber)
Thickness (min) 2.4 mm (0.094 in.)
Drive Plate (fiber)
Tab (min) 11 mm (0.43 in.)
Driven Plate (warpage) (max) 0.1 mm (0.004 in.)
Clutch Spring Length (min) 27.5 mm (1.08 in.)
Clutch Wheel
Inside Diameter (max) Scuffing of contact sur-
face
Starter Clutch Shoe No groove at any part
Clutch Engagement RPM 2000 ± 200
Clutch Lock-Up RPM 3400 ± 300
Primary Reduction Ratio 3.250 (65/20)
Secondary Reduction Ratio 1.125 (18/16)
Final Reduction Ratio (front)
(rear)
3.090 (34/11)
3.647 (62/17)
Secondary
Transmission
Reduction Ratio (super low)
(low)
(high)
3.176
(17/18 x 25/11 x 37/25)
1.480 (37/25)
1.112
(11/25 x 18/17 x 43/18)
Gear Ratios (1st)
(2nd)
(3rd)
(4th)
(5th)
(reverse)
3.083 (37/12)
1.933 (29/15)
1.388 (25/18)
1.095 (23/21)
0.913 (21/23)
2.833 (29/12 x 34/29)
Engine Fork to Groove
(side clearance) 0.10-0.50 mm
(0.004-0.020 in.)
Secondary Transmission Fork to
Groove (side clearance) 0.05-0.50 mm
(0.002-0.020 in.)
Reverse Fork to Groove
(side clearance) 0.10-0.50 mm
(0.004-0.020 in.)
Shift Fork Groove (#1, #2, & #3)
Width
(secondary transmission - #1 & #2)
(reverse)
4.5-4.6 mm
(0.177-0.181 in.)
5.45-5.55 mm
(0.215-0.219 in.)
4.0-4.1 mm
(0.157-0.161 in.)
Shift Fork Thickness (#1, #2, & #3)
(secondary transmission - #1 & #2)
(reverse)
4.3-4.4 mm
(0.169-0.173 in.)
5.3-5.4 mm
(0.209-0.213 in.)
3.8-3.9 mm
(0.150-0.154 in.)
Engine Oil
Thermo-Switch
Operating
Temperature (off
J
on)
(on
J
off)
160°C (320°F)
140°C (284°F)
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