Sym ATTILA RS-21 EFi 150 Service Manual page 83

4. FUEL INJECTION SYSTEM
Parts No. Service
Item
Parts Name schedule
8 325-002 At least
ECU 20000km
life-expectancy
Check every
3000km
9 Idle speed Check for new
CO motorcycle and
Adjustment every 3000km.
4-38
This chapter Contents
Inspection Method
1. Connect the Data Scan.
2. Record the ECU service time.
1. Warm up the motorcycle by
running it in 50km/hr for 5 minutes.
2. Connect the Data Scan.
3. Record the idle speed CO value,
rpm, and carbon deposition
accumulated time.
Adjustment & replacement
procedure
ECU replacement procedure:
1. Connect the Data Scan onto the
original ECU.
2. Record the ECU service time.
3. Turn off the ignition switch.
4. Replace the ECU with new one.
5. Re-set the ECU service time.
6. Clean the carbon deposition
around the throttle body.
7. Please refer to idle speed
adjustment section for idle speed
CO value confirmation.
1. Warm up the motorcycle by
running it in 50km/hr for 5
minutes.
2. Connect the Data Scan.
3. Record the idle speed CO value,
rpm, and carbon deposition
accumulated time.
4. With the Data Scan to adjust the
idle speed CO value to be
0.5%~2.0%.
5. Record the idle speed CO value,
rpm and CO variant value.
6. (The engine temperature has to
be in 115¢ J ~140¢ J , and intake
temperature to be in 25¢ J ~40¢ J
as adjusting.)