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Ledakan pada knalpot (afterburn) / backfire
System: PGM-FI/pembuangan
How customers describe it
- "knalpot nembak-nembak"
- "knalpot meletup pas lepas gas"
- "bunyi dor dor di knalpot"
- "nembak pas deselerasi"
First checks at the workshop
- Cek kebocoran pada sambungan knalpot (udara masuk).
- Cek sensor O2 dan konektornya pada motor injeksi.
General workshop practice, not quoted from the service manual. Measure and compare with your bike's standard values.
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- ECM recovery: bring back an ECU that failed a flash over K-line or BDM
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Service-manual terms
afterburn · ledakan · knalpot · deselerasi · campuran · backfiring · nembak-nembak
Models covered
- Honda CBR150R — service specs
- Honda BeAT FI — service specs · Honda BeAT FI ECU
- Honda Blade — service specs · Honda Blade ECU
- Honda PCX 150 — service specs · Honda PCX 150 ECU
- Honda Revo AT — service specs · Honda Revo AT ECU
- Honda Vario 125 — service specs · Honda Vario 125 ECU
- Honda Vario 150 — service specs · Honda Vario 150 ECU
- Honda Supra X 125 — service specs · Honda Supra X 125 ECU
Questions
What to check first: Ledakan pada knalpot (afterburn) / backfire?
Cek kebocoran pada sambungan knalpot (udara masuk). Cek sensor O2 dan konektornya pada motor injeksi.
Which tool checks "Ledakan pada knalpot (afterburn) / backfire" on a fuel-injected bike?
HDiag Pro by sooko.io: reads and clears fault codes (DTC), shows live sensor data (RPM, TPS, ECT, O2, battery voltage) and remaps Honda ECUs — from an Android phone or a laptop. For mixture problems add the AFR Meter.