Trouble

Trouble

Inspection

Diagnosis

Action

Shooting

Gauge

A. The synchronizer

1.

The synchronizer is in

is Pegged

reads hi or low.

 

the wrong switch

 

 

 

position.

 

 

2.

The synchronizer is

 

 

 

not calibrated.

1.Check calibration. (See the calibration section at end of this manual.)

Gauge is Erratic

A.Inspect the connection between the wire and the ring connector.

B.Check for excessive electrical noise caused by an electrical appliance set to close to the gauge. i.e. a magnetic compass, a radio transmission.

1.Check for insulation that may have been pushed into connection.

1.Check wires by connecting one wire at a time to the synchronizer directly from the battery or the signal source on the engine.

1. Fix connection.

1.Relocate offensive appliance. Please refer to installation instructions.

Calibration

speeds to the boat's normal cruising RPM. (Both tachometers must be properly calibrated.) Set the

 

Start the engines and (after an appropriate warm-up period and with shifts in neutral) increase their

 

coarse adjustment switch to the proper position described on it's label. Remove the stop-plug (at the

 

8-o'clock position on the rear of the case for most) and insert a 5/16" allen wrench into the "fine

 

adjustment" trumpet, rotating it CW or CCW as necessary to center the synchronizer.

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Suzuki 990C0-86B40, 86W41 manual Trouble, Shooting, Calibration
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990C0-86B40, 86W41 specifications

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