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4-1-1. Throttle disassembly (Fig. 4-01, 4-02, 4-03, 4-04)
01. remove the carburettor cap (1) Fig. 4-01
02. pull out the throttle valve (Option) disconnect the accelerating pump cable
03. disconnect the choke knob cable
04. disconnect the throttle cable and remove the spring Fig. 4-03
05. pry off needle retainer (1) and remove jet needle (2) Fig. 4-04
06. check the throttle valve (3) and jet needle for wear or damage
NOTE
<OPTION> (FIG. 4-12) THE CARBURETTOR WITH ACCELERATING PUMP
4-1-2. Carburettor removal (Fig. 4-05, 4-06)
01. be sure to turn the fuel clock off
02. loosen the drain screw to drain fuel from the float chamber
03. disconnect the fuel inlet tube
04. loosen the air cleaner connector band screw (1) Fig. 4-05.
05. remove the 2 carburettor lock nuts (2) and remove carburettor Fig. 4-05.
06. remove the chock cable Fig. 4-06.
4-1-3. Float/float valve inspection (Fig. 4-7)
01. remove the float pin, float and float valve Fig. 4-7
02. inspect the float valve seat for any wear or damage.
03. inspect the float for damage or fuel inside the float.
4-1-4. Jets/air screw/throttle screw removal(Fig. 4-8, 4-9)
01. remove the main/slow jet (1) and jet holder (2) Fig. 4-8.
02. remove the air screw (1) and throttle stop screw (2) Fig. 4-9.
CAUTION
1. BE CAREFUL NOT TO DAMAGE THE JETS AND JET HOLDER DURING THE REMOVAL. BEFORE REMOVAL,
TURN THE THROTTLE STOP AND AIR SCREW CLOCKWISE UNTIL SEAT LIGHTLY AND RECORD NUMBER OF
ROTATIONS.
2. THE DAMAGED SCREW SEAT. DRILL OCCUR, IF THE SCREW IS TIGHTENED AGAINST THE SEAT. USE
SLOW COMPRESSED AIR THROUGH ALL PASSAGES FROM IN-OUT DIRECTION(NOT OUT-IN DIRECTION)
BEFORE REASSEMBLY.
4-1-5. Fuel outlet ball removal and inspection
01. remove the o-ring and remove the check valve nut.
02. take out the spring and the steel balls.
03 . inspect the check valve steel balls for any rust and the spring for damage -- replace.
4-1-6. Slow/Main jet installation (Fig. 4-8, 4-9)
01. install the slow jet, needle jet, jet holder, and main jet
02. install the air screw referring the number of rotations records as the removal.
03. install the float valve, float, and float pin.
Содержание ATV DXR 200
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Страница 154: ...153 6 2 IGNITION SYSTEM BRIEFING 01 AC generator 03 Ignition coil 02 C D I 04 plug cap ...
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