Derbi ATV DXR 200, Workshop Manual

Page: 53 / 194

52
4-1. F
UEL
S
YSTEM AND
C
ARBURETION
NOTE
SERVICE INFORMATION
Carburettor Float level: 125 cc on 12,5 mm; 150 cc on 13 mm
Main jet: 125 cc on # 90; 150 cc on # 102
Slew jet: 125 cc on # 35; 150 cc on # 40
Idle speed: 125 cc on # 1400 +/- 100 rpm
150 cc on # 1500 +/- 50 rpm
Throttle grip free play: 2-6 mm
Air screw opening: 125 cc on 1 3/4; 150 cc on 1 3/4 +/- 1/2
WARNING 1
GASOLINE IS VERY DANGEROUS. BE SURE TO KEEP SPARKS AND FLAMES AWAY FROM WORKING AREA.
AWARENESS 1
Gasoline is poisonous. People could be injured.
SOLUTION 1
1. If people should swamp some gasoline or inhale a lot of gasoline vapor, or gasoline in eyes, go to doctor
immediately.
2. If gasoline spills on skin, wash with soap and water. If gasoline spills on clothing, be changed clothes.
WARNING 2
POTENTIAL HAZARD:
IMPROPER CARE WHEN REFUELLING.
AWARENESS 2
Fuel can spill, which can cause a fire and severe injury. Fuel expands when it heats up. If fuel tank is overfilled,
fuel could spill out due to heat from the engine or the sun.
SOLUTION 2
1. Do not overfill the fuel tank.
2. Do not spill fuel, especially on the engine or exhaust pipe.
3. Wipe up any spilled fuel. Be sure to close fuel tank cap.
4. Do not refuel right after the engine has been running.
NOTE
PROBLEMS SHOOTING
<Q-A> Lean mixture?
- clogged carburettor fuel jets
- float level zoo low
- intake air leak
- faulty charcoal canister
- restricted fuel line