Page 16 of 16
97-6
TECHNICAL DATA
TECHNICAL DATA
A dot (•) on right indicates changes from 1996 model.
➀
Engine speed at which maximum power is achieved.
➁
At 6000 RPM (engine cold) with headlamp turned on.
➂
Force applied midway between pulleys to obtain specified deflection.
BTDC: Before Top Dead Center
ATDC: After Top Dead Center
PTO: Power Take OFF side
MAG: Magneto side
CRT: Center
N.A.: Not Applicable
MODEL
MX Z 440 F
Engine Type
443
Maximum HP RPM
➀
±100 RPM
7000
Rotary Valve
P/N
Opening (BTDC)/
Closing (ATDC)
N.A.
N.A.
Carburetor Type
PTO VM 34 - 479
MAG VM 34 - 480
Main Jet
PTO 205
MAG 195
Needle Jet
P-O (159)
Pilot Jet
35
Needle Identification — Clip Position
6DH2
Slide Cutaway
2.5
Float Adjustment
±1 mm (in)
23.9 (.94)
Air Screw Adjustment
± 1/16 turn
1-1/2
Idle Speed RPM
±200 RPM
1650
Gas Grade/Pump Octane Number
(R + M)/2
Regular Unleaded/87
Gas/Oil Ratio
Oil Injection
Ignition Timing BTDC
➁
mm (in)
1.68 (.066)
Trigger Coil Air Gap
mm
(in)
0.45 - 0.55
(.018 - .022)
Gear Ratio
teeth
22/44
Engagement Speed
±100 RPM
3800
Drive Pulley Calibration Screw Position
3
Pulley Distance
Z
(+ 0, – 1) mm
(+ 0, – 1/32) in
16.5
(21/32)
Offset
X
± 0.4 mm
(± 1/64 in)
35.0
(1-3/8)
Y
Dimension Y must exceed X from
1 mm (1/32 in) to 2 mm (5/64 in)
Drive Belt Adjustment
Deflection
±.5 mm
(in)
32
(1-1/4)
Force
➂
kg (lbf)
11.34 (25)
Driven Pulley Preload
±0.7 kg (lbf)
6.1 (13.45)
Drive Chain Tension
Fully tighten adjusting screw by hand then back OFF
only far enough for hair pin installation
Track Adjustment
Deflection
mm
(in)
40 to 55 (1-9/16 - 2-5/32)
with a 7.3 kg (16 lb) downward pull
