The Yamaha EF2000iS takes the NGK BPR6HS spark plug as its spark plug; Australian sellers list it from A$7.27 as of 3 November 2026. Fitment confirmed against the manufacturer's compatibility list.
Your generator
Yamaha EF2000iS
Inverter generator
Confirmed against Yamaha's listConfirmed against Yamaha's own compatibility list
Not yours? Change
Takes the BPR6HS spark plug
BPR6HS spark plug · check the code on your old part before ordering.
NGK BPR6HS, gap 0.6-0.7 mm.
Your generator
Inverter generator
Confirmed against Yamaha's listConfirmed against Yamaha's own compatibility list
Takes the BPR6HS
Spark plug · check the code on your old part.
NGK BPR6HS, gap 0.6-0.7 mm.
Other Yamaha generators that take the BPR6HS
GenuineGenuine NGK
$7.27
Power Mowers · 3 NovLowest genuine · Power Mowers · checked 3 Nov
CompatibleCompatible option
See seller
No compatible seller tracked yetNo compatible seller tracked yet
Genuine: made by NGK. Compatible: another brand.Genuine is made by NGK. Compatible is made by another brand. Check the seller's page for the size and models it fits.
Lowest price · $7.27
Power Mowers. Every seller we track is listed below. Some links earn us a commission. Some seller links earn us a commission, at no extra cost to you.
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AUD, before delivery. Each price shows when it was checked.
Opens Power Mowers in a new tab. Their page is the source of truth for price, delivery and returns.
How long it lasts
Replace it when it is worn, fouled or cracked; Yamaha's manuals say to clean it and replace it if necessary every 300 hours (EF2200iS) or every 6 months or 100 hours (EF2000iS).
After replacing: No reset needed.
How to change the spark plug in your Yamaha EF2000iS
Watch the guide or follow the steps.
- 1Let the engine cool. On the EF2200iS turn the panel openers and lift the panel off its hooks; on the EF2000iS remove the cover screws and the cover.
- 2Remove the spark plug cap and access cap, insert the plug tool through the hole and turn it anticlockwise with the handlebar to remove the plug.
- 3Check the gap on the new plug: Yamaha gives 0.6-0.7 mm.
- 4Fit the plug and tighten it: Yamaha gives 20 N·m on the EF2200iS, or 1/4-1/2 turn past finger tight if you have no torque wrench.
- 5Refit the spark plug cap, the access cap and the panel or cover.
Every number this part goes by
- Retail name:
- 94702-00821
- Retail name:
- BPR6HS
- Retail name:
- NGK BPR6HS
Sellers list any of these; they are the same part.
About your Yamaha EF2000iS
Yamaha generator, inverter generator — EF inverter. Its spark plug is the BPR6HS spark plug, part BPR6HS.
Where the model number is: The model is on the label on the generator's side panel or frame (Honda EU22i, Yamaha EF2000iS), with the serial number, and on the box. Switch the engine off and let it cool before you open a cover.
Fits these 2 Yamaha models
Common questions
- Which spark plug fits the Yamaha EF2000iS?
- The Yamaha EF2000iS takes the NGK BPR6HS spark plug. NGK BPR6HS, gap 0.6-0.7 mm.
- Where can I buy the BPR6HS in Australia?
- We track 2 Australian sellers for the BPR6HS; the lowest listed price when we last checked was A$7.27 at Power Mowers. Prices are re-checked daily and dated on this page.
- How do I fit the BPR6HS in a Yamaha EF2000iS?
- 5 steps, listed on this page with the replacement video where the maker has one.
- What happens if I don't change it?
- A worn or fouled plug makes the generator hard to start and run unevenly under load.
- Is there anything to reset afterwards?
- No reset needed.
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