evo boy Posted September 2, 2025 Report Share Posted September 2, 2025 Hello all, I've just bought a 2024 nitro 300. What spark plug should I run as I was told in my 2018 vertigo to run the hotter BPMR4A rather than the BPMR6A. Do you still need to do this on the newer bikes? Many thanks Quote Link to comment Share on other sites More sharing options...
Warren-s Posted November 21, 2025 Report Share Posted November 21, 2025 (edited) On 9/2/2025 at 10:21 PM, evo boy said: Hello all, I've just bought a 2024 nitro 300. What spark plug should I run as I was told in my 2018 vertigo to run the hotter BPMR4A rather than the BPMR6A. Do you still need to do this on the newer bikes? Many thanks Hi mate did you get any results using a R4A plug. I just purchased a 300 JBR and was thinking about using a No4 plug. Edited November 21, 2025 by Warren-s Quote Link to comment Share on other sites More sharing options...
evo boy Posted December 10, 2025 Author Report Share Posted December 10, 2025 Evening mate. No didn't get any reply so stuck with the standard plug but will try a 4 soon Quote Link to comment Share on other sites More sharing options...
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