1.12
SPECIFICATIONS
500 INDY
MODEL S06NB4BS
Table 1-63: Engine
Engine type Fuji
Engine displacement 488cc
Bore in/mm 2.83/72
Stroke in/mm 2.36/60
Piston to cylinder clearance in/
mm
.0035-.0049/.090-.125
Piston ring end gap .008-.016/.20-.40
Operating RPM±200 7800
Idle RPM 1600
Clutch engagement RPM ±200 4000
Exhaust valve spring N/A
Table 1-64: Fuel Delivery
Type TM38
Main Jet 360
Pilot Jet 40
Jet Needle/Clip position 9DFY1-54/2
Needle Jet P-2 (825)
Throttle gap under cutaway
in/mm
.078/2.0
Throttle slide cutaway 2
Valve seat 1.5 Viton
Starter jet 145
Pilot air jet 0.9
Fuel screw setting 1.5
Air screw setting N/A
Recommended fuel octane
(R+M/2)
87 NonOxy/89 Oxy Min
Table 1-65: Jetting
Altitude
meters
(feet)
Ambient Temperature
< -30_F/<-34_C
-30_F to +10_F/-34_C to -23_C
-10_F to +10_F/-23_C to -12_C
+10_F to +30_F/-12_C to -1_C
+30_F to +50_F/-1_C to +10_C
>50_F />+10_C
0-600
(0-2000)
390
#4
370
#3
360
#3
360
#2
340
#2
320
#2
600-1200
(2000-4000)
370
#3
350
#3
340
#2
320
#2
310
#2
300
#2
1200-1800
(4000-6000)
350
#3
330
#3
320
#2
300
#2
290
#2
270
#1
1800-2400
(6000-8000)
320
#3
310
#3
300
#2
280
#2
270
#1
250
#1
2400-3000
(8000-10000)
300
#3
290
#2
270
#2
260
#1
240
#1
230
#1
3000-3700
(10000-12000)
280
#2
270
#2
250
#1
240
#1
220
#1
210
#1
Table 1-66: Clutching
Altitude meters
(feet)
Drive Clutch (P-85) Driven Clutch (P-85)
Shift
Weight
Clutch
Spring
Clutch
Spring
Driven
Helix
Gearing
0-900
(0-3000)
10-M5 Gold Black
36 D
Button #2
21:40-74
900-1800
(3000-6000)
10-M
Blue
Gold Black
36 D
Button #2
21:40-74
1800-2700
(6000-9000)
10 MW
Dark
Blue/
White
Black
36 D
Button #2
21:40-74
2700-3700
(9000-12000)
10M Red
Dark
Blue/
White
Black
36 D
Button #2
21:40-74
Drive clutch bolt torque 50 ft-lbs
Table 1-67: Belt
Belt part number 3211078
Belt width in/cm 1.438/3.65
Belt side angle 28_
Outside diameter in/cm 46.625/118.4
Clutch center distance in/cm 11.5/29.2
Table 1-68: Chaincase
Center distance in/cm 7.92/20.1
Reverse type PERC
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