Kawasaki NINJA ZX-12R (2002-2004) [295/613] Vacuum switch valve closing pressure open close

Kawasaki NINJA ZX-12R (2002-2004) [295/613] Vacuum switch valve closing pressure open close
ENGINE TOP END 5-9
Clean Air System
Vacuum Switch Valve Removal (ZX1200-B1/B2)
Remove:
Lower Inner Covers (see Frame chapter)
Pull off the switch valve hoses [A] and vacuum hose [B],
and remove the vacuum switch valve [C].
Vacuum Switch Valve Installation (ZX1200-B1/B2)
Install the vacuum switch valve so that the air hole [A]
faces downwards.
Route the hoses correctly (see General Information chap-
ter).
Vacuum Switch Valve Test (ZX1200-B1/B2)
Remove:
Lower Inner Covers (see F rame chapter)
Vacuum Switch Valve (see Vacuum S witch Valve Re-
moval)
Connect a vacuum gauge [A] and syringe [B] or fork oil
level gauge to the vacuum hoses as shown.
Special Tool - Fork Oil Level Gauge: 57001-1290
Air Flow [C]
Gradually raise the vacuum (lower the pressure) applied
to the vacuum switch valve, and check the valve opera-
tion. When the vacuum is low, the vacuum switch valve
should permit air to flow. When the vacuum raises to
valve closing pressure, i t should stop air flow.
Spring [A]
Diaphragm [B]
Valve [C]
Low Vacuum [D]
Secondary Air Flow [E]
If the vacuum switch valve does not operate as described,
replace it with a new one.
NOTE
The vacuum switch valve is checked whether there is
air flow t hrough the air cleaner hose or not.
Vacuum Switch Valve Closing Pressure (Open Close)
Standard: 41 49 kPa (310 37 0 mmHg)
High Vacuum [A]
Secondary air cannot flow [B].

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