Place a rag under the fuel feed hose.
Remove the fuel feed hose and install the special tools between the fuel tank and fuel delivery pipe.
- 09940-40211: Fuel pressure gauge adaptor
- 09940-40220: Fuel pressure gauge hose attachment
- 09915-74511: Oil pressure gauge set
![](https://motoinstruction.ru/img/suzuki/14/120341.jpg)
Turn the ignition switch ON and check the fuel pressure.
- Fuel pressure: Approx. 300 kPa (3.0 kgf/cm², 43 psi)
If the fuel pressure is lower than the specification, inspect the following items:
- Fuel hose leakage
- Clogged fuel filter
- Pressure regulator
- Fuel pump
![](https://motoinstruction.ru/img/suzuki/14/120342.jpg)
If the fuel pressure is higher than the specification, inspect the following items:
- Fuel pump check valve
- Pressure regulator
Warning!
- Before removing the special tools, turn the ignition switch to OFF position and release the fuel pressure slowly.
- Gasoline is highly flammable and explosive. Keep heat, sparks and flame away.
![](https://motoinstruction.ru/img/suzuki/14/120343.jpg)
(A) To fuel delivery pipe. (B) To fuel feed hose.