INSTALLATION & OPERATION MANUAL
1.3 RPM GAUGE
1) This gauge will work when the key is in the
"ON" position.
2) This gauge indicates real-time engine rpm.
3) Avoid max. rpm and WOT (Wide Open
Throttle) before a cold engine is fully
warmed up, as it can harm the engine.
1.4 BATTERY VOLTMETER
1) This gauge will work when the key is in the
"ON" position.
2) This
gauge
voltage.
3) If battery voltage is not sufficient, the engine
can not be started.
4) For a working engine, 12∼16V volts is
normal. If the battery voltage is under 12V,
you should check battery and alternator.
5) At the moment of engine ignition, the
voltmeter needle may momentarily drop to
8V. This is normal.
2. CUT-OUT FOR MOUNTING GAUGES
• RPM Gauge : Ø 86 mm
• Coolant Temperature Gauge : Ø 53 mm
• Battery Volt Meter Gauge : Ø 53 mm
• Ignition Key : Ø 27 mm
3. CUT-OUT FOR MOUNTING THE EOI SYSTEM
You can use the installation template enclosed with the EOI for a cut-out.
S250 and S220 Series Engines
indicates
real-time
battery
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