Yamaha generator spark plugs by part number

3 Yamaha spark plugs sold in Australia. Each part page lists the models it fits, how often to change it and what sellers charge.

The spark plugs

NGK BPR4ES spark plugBPR4ES · 5 modelsfrom $7.29
The NGK BPR4ES spark plug Yamaha names for its larger generators: the EF2400iS, EF3000iSE and EF3000iSEB, EF6300iSDE and the open-frame EF7200E, in Yamaha's Australian parts catalogues and manuals. Gap it to 0.7-0.8 mm. Yamaha gives 17.5 N·m for the EF2400iS and EF3000iSE and says to check and clean the plug every 3 months or 50 hours.
After the change: No reset needed.
Fits 5 Yamaha models: EF2400iS, EF3000iSE, EF3000iSEB, EF6300iSDE, EF7200E.
NGK BPR6HS spark plugBPR6HS · 2 modelsfrom $7.27
The NGK BPR6HS spark plug Yamaha names for the EF2200iS and the EF2000iS. Gap it to 0.6-0.7 mm; Yamaha gives 20 N·m for the EF2200iS. Yamaha's EF2200iS manual says to clean it, and replace it if needed, every 300 hours.
After the change: No reset needed.
Fits 2 Yamaha models: EF2000iS, EF2200iS.
NGK CR6HSB spark plugCR6HSB · 1 modelfrom $7.07
The NGK CR6HSB spark plug for two inverter generators: Honda's EU32i and Yamaha's EF1000iS. The gap differs: 0.6-0.7 mm on the EU32i, 0.7-0.8 mm on the EF1000iS. Honda says to replace it every year or 300 hours on the EU32i.
After the change: No reset needed.
Fits the EF1000iS.

Brand names describe compatibility only; FitMatch is independent of Yamaha. Fitment sources are recorded on every model page.