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97-8
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 deflec-
tion.
BTDC: Before Top Dead Center.
ATDC: After Top Dead Center.
PTO: Power Take Off side.
CTR: Center
MAG: Magneto Side
MODEL
FORMULA III LT
Engine Type
599
Maximum HP RPM
➀
± 100 RPM
8500
•
Rotary Valve
P/N
Opening (BTDC)/
Closing (ATDC)
N.A.
Carburetor Type
PTO VM 36-176
CTR VM 36-177
MAG VM 36-178
•
Main Jet
PTO 330
CTR VM 330
MAG 330
•
Needle Jet
P-0 (286)
Pilot Jet
PTO 50
CTR 50
MAG 50
•
Needle Identification — Clip Position
6DEY4
•
Slide Cutaway
2.5
Float Adjustment
± 1 mm (in)
18.1 (.71)
Air Screw Adjustment
± 1/16 turn
PTO 1.5
CTR 1.5
MAG 1.5
Idle Speed RPM
± 200 RPM
1900
•
Gas Grade/Octane Number
(R + M)/2
Regular Unleaded/87 or Super Unleaded/91 (recommended)
Gas/Oil Ratio
Oil Injection
Ignition Timing BTDC
➁
mm
(in)
2.18
(.086)
•
Trigger Coil Air Gap
mm
(in)
0.55 - 1.45
(.022 - .057)
Gear Ratio
Teeth
23/44
•
Engagement Speed
± 100 RPM
4500
Drive Pulley Calibration Screw Position
4
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
mm (in)
32 (1-1/4)
Force
➂
kg (lbf)
11.34 (25.00)
•
Driven Pulley Preload
± 0.7 kg (± 1.5 lbf)
7.00 (15.43)
•
Drive Chain Tension
Fully tighten adjusting screw by hand then back OFF only far
enough for hair pin installation
Track
Adjustment
Deflection
mm
(in)
35 to 40 (1-3/8 to 1-9/16)
with a 7.3 kg (16 lb) downward pull
•