Checking the spark advance
The vehicle is fitted with a variable advance electronic device. There are two timing references on the
flywheel cover in order to ensure a better precision when detecting the reference on the fan. Use a
Tecnotest 130/P stroboscopic gun or a similar device to check. Start the engine and rev it to 1800 rpm
(engine idle speed), operate the phase shifter and align the reference on the flywheel fan in between
the two references done on the cover; at the same time read the advance value shown in the strobo-
scopic gun display; the value must be 10°. Repeat the operation with the engine at 5000 ÷ 6000 rpm;
the advance read must be 17°.
CAUTION
SHOULD THE FLASH INDICATIONS BE UNSTABLE AND THE RPM INDICATION DOES NOT
CORRESPOND WITH THE TRUE ENGINE SPEED VARIATION (FOR EXAMPLE, VALUES SHOWN
ARE HALVED), INSTALL A 10 ÷ 15 K
Ω
RESISTIVE CABLE CONNECTED IN SERIES TO AN HV
CABLE. IF THE IRREGULAR READING CONTINUES AFTER THIS OPERATION, CHECK THE
COMPONENTS OF THE IGNITION SYSTEM.
N.B.
WHEN THE INDUCTION CLAMP READS THE SIGNAL CORRECTLY, A READING CAN BE CAR-
RIED OUT AT OVER 6000 RPM.
REVOLUTION LIMITER
Specification
Desc./Quantity
1 spark on 7
10300 Rpm
1 spark on 3
10400 Rpm
all sparks are suppressed
10500 Rpm
MSS ZIP 100 4T
Maintenance
MAIN - 29
Содержание MSS ZIP 100 4T
Страница 1: ...SERVICE STATION MANUAL 633734 633741 MSS ZIP 100 4T...
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Страница 95: ...MSS ZIP 100 4T Engine ENG 95...
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Страница 144: ...Specific tooling 020325Y Pliers for brake shoe springs Braking system MSS ZIP 100 4T BRAK SYS 144...
Страница 145: ...INDEX OF TOPICS CHASSIS CHAS...
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Страница 155: ...Crankcase CRANKCASE Code Action Duration 1 001133 Engine crankcase Replacement Crankshaft MSS ZIP 100 4T Time TIME 155...