13-14 LT-F250K6 (’06-MODEL)
DRIVE TRAIN Unit: mm (in) Except ratio
CARBRETOR
ITEM STANDARD LIMIT
Primary reduction ratio 3.250 (65/20) —
Secondary reduction ratio 1.235 (21/17) —
Final reduction ratio 3.200 (32/10) —
Transmission gear
ratio
Low 3.083 (37/12) —
2nd 1.933 (29/15) —
3rd 1.388 (25/18) —
Reverse 2.833 (29/12 × 34/29) —
Shift fork to groove clearance 0.10 – 0.30
(0.004 – 0.012)
0.50
(0.020)
Shift fork groove width 4.50 – 4.60
(0.177 – 0.181)
—
Shift fork thickness 4.30 – 4.40
(0.169 – 0.173)
—
Gearshift lever height 17
(0.7)
—
Secondary bevel gear backlash 0.03 – 0.15
(0.001 – 0.006)
—
Rear drive (final) bevel gear back-
lash
0.05 – 0.30
(0.002 – 0.012)
—
ITEM
SPECIFICATION
E-04
Carburetor type MIKUNI BS29
Bore size 29 mm
I.D. No. 05G2
Idle r/min 1 500 ± 100 r/min
Float height 17.1 ± 1.0 mm (0.67 ± 0.04 in)
Main jet (M.J.) #137.5
Jet needle (J.N.) 4DJ24-1st
Needle jet (N.J.) P-0M
Throttle valve (Th.V.) #100
Pilot jet (P.J.) #17.5
Pilot screw (P.S.) 2 and 7/8 turns back
Throttle cable play 3 – 5 mm (0.12 – 0.20 in)
Starter (enricher) cable play 0.5 – 1.0 mm (0.02 – 0.04 in)