Carburettor Specifications
Dealer Development Center, Pune
26
Pulsar DTS-i 150/180 Training Notes
Dealer Development Center, Pune
27
Pulsar DTS-i 150/180 Training Notes
Carburettor Specifications of Pulsar 150 cc :
Make and Type
Ucal-Mikuni BS26, CV type
Identification No.
DH - U3
Idling Speed
1400 +100
VC Screw setting
2.5 + 2 turns out
Main Jet
107.5
Jet needle mark
4DMP23
Needle jet mark
P-1
Jet needle clip Position
2nd from top
Pilot Jet
12.5
Starter jet
Fixed type
Throttle valve
Fixed type
Choke Lever
2 stage with push pull type
mechanism (ON / OFF)
Carburettor Specifications of Pulsar 180 cc :
Make and Type
Ucal-Mikuni BS26, CV type
Identification No.
DJ - U4
Idling Speed
1400 + 100
VC Screw setting
2.5 + 2 turns out
Main Jet
112.5
Jet needle mark
4078
Needle jet mark
P-1
Jet needle clip Position
2nd from top
Pilot Jet
17.5
Starter jet
Fixed type
Throttle valve
Fixed type
Choke Lever
2 stage with push pull type
mechanism (ON / OFF)
Tune-Up for Optimum Mileage
Reed Switch : Maintenance
• Magnet should not touch with reed
switch.
• Gap between Magnet & Reed Switch
should not be more than 2.5 mm.
• Movement of throttle lever with
magnet assly and Reed Switch fitted
should be free.
Check throttle lever movement by rotating it with hand. It
should not be sticky in operation and should return back it self
on releasing.
Gap
2.5mm max.
Reed Switch : Setting
B
A
C
Reed Switch : Checking
• Keep throttle at zero position. (Fig. 1).
• On connecting multimeter to Reed
Switch coupler it should show
continuity.
• When throttle is open and Reed
Switch magnet crosses to straight
edge of fix bracket of Reed Switch
(Fig. 2) multimeter should show
discontinuity.
• On De-acceleration, when of Reed
Switch magnet re-coinsides with
straight edge of fix bracket of Reed
Switch (Fig. 3) Multimeter should
show continuity.
Fig. 1
0
0 0
.
Fig. 2
1
Fig. 3
0
0
.
0
• Accelerator cable play: 2-3 mm by
adjusting the Adjuster (A).
• Protude stopper (B) of the throttle
lever bracket must on idling screw
(C) tip.
Other Mandatory Checks
a. Ensure no fuel leakage through fuel cock,
fuel lines.
b. Ensure free rotation of both the wheels.
c. Ensure correct tyre pressure (For 150 cc) -
2
Front wheel: 1.75 Kg/Cm (25.0 PSI)
2
Rear wheel: 2.00 Kg/Cm (28.4 PSI) Solo
2
2.25 Kg/Cm (32.0 PSI) Pillion
Ensure correct tyre pressure (For 180 cc) -
2
Front wheel: 2.00 Kg/Cm (28.4 PSI)
2
Rear wheel: 2.00 Kg/Cm (28.4 PSI) Solo
2
2.15 Kg/Cm (30.5 PSI) Pillion
d. Set control cable free play:
• Front brake lever 2 ~ 3 mm.
• Rear brake pedal 25 ~ 30 mm.
Engine Tune up
SPARK PLUG: Champion RG4HC
Spark Plug Gap :
0.6 to 0.8 mm.
Replace at Every :
15,000 Kms.
0.6 to
0.8 mm
AIR FILTER:
• Clean at every 2,500
Kms.
• Replace at every
15,000 Kms.
COMPRESSION
PRESSURE (For 150cc)
2
• Std : 6.0~10.0 Kg/cm
• Service Limit :
2
5.0~10.0 Kg/cm
COMPRESSION
PRESSURE (For 180cc)
2
• Std : 11.0~13.0 Kg/cm
• Service Limit :
2
9.0~10.0 Kg/cm
TAPPET CLEARANCE
• Inlet valve: 0.05 mm
• Exhaust valve: 0.1 mm
CARBURATTOR
• Idling: 1400 + 100 rpm.
• Air Screw Setting : 2.5
+ 1 turn.
• CO %: 1.75 to 2.25 %
DJ-U4
S
2 B
B 29 93
1
B
H- 3
D
U
S 6
27
B 2 6X
