Suzuki LT-Z250 - Page 300

10-6 LT-Z250K5 (05-MODEL)
DRIVE TRAIN Unit: mm (in) Except ratio
CARBRETOR
ITEM STANDARD LIMIT
Primary reduction ratio 3.047 (64/21) 
Secondary reduction ratio 1.133 (17/15) 
Final reduction ratio 3.200 (32/10) 
Gear ratios 1st 3.083 (37/12) 
2nd 1.933 (29/15) 
3rd 1.388 (25/18) 
4th 1.095 (23/21) 
5th 0.913 (21/23) 
Reverse 2.833 (34/12) 
Shift fork to groove clearance 0.10  0.30
(0.004  0.012)
0.5
(0.020)
Shift fork groove width 4.50  4.60
(0.169  0.173)

Shift fork thickness 4.30  4.40
(0.169  0.173)

Gearshift lever height 0  10
(0  0.393)

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-19, 28 E-33
Carburetor type MIKUNI BSR29 ←
Bore size 29 mm
(1.14 in)
←
I.D. No. 21G0 21G1
Idle r/min 1 500 – 100 r/min ←
Float height 13.0 – 1.0 mm
(0.51 – 0.04 in)
←
Main jet (M.J.) #125 #
Jet needle (J.N.) 5DH54-2nd ←
Needle jet (N.J.) P-0M #
Pilot jet (P.J.) #20 #
Pilot screw
(P.S.) 1 and 1/2 turns back PRE-SET
Throttle cable play 3  5 mm
(0.12  0.20 in)
←
Starter (enricher) plunger cable
play
0.5  1.0 mm
(0.02  0.04 in)
←
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