What is the difference between bpr6es and bpr5es?

BPRxES is an NGK part number (which makes sense, Honda contracts out their “factory” plugs to NGK). The BPR5ES will run hotter than the BPR6ES. Running a BPR6ES in an engine designed for a BPR5ES may cause premature fouling, and running a BPR5ES in an engine designed for a BPR6ES may cause detonation.Click to see full answer. Correspondingly, what is the difference between bpr4es and bpr5es?Answer: The difference between the standard BPR5ES and the BPR5ES-11 is the terminal type. The standard BPR5ES has a removable nut style terminal and the BPR5ES-11 has a solid type terminal. what spark plug does a Honda gcv160 take? The spark plug that came with the mower is a NKG BPR5ES. The manual calls for a NKG BPR6ES. Beside this, what does NGK bpr6es fit? Plug model NGK #BPR6ES. Fits most Honda models (except V-Twin, GXV340, GXV390, GXH50). This spark plug couldn’t be found locally.What size are lawn mower spark plugs?Ideally, most automobile spark plugs use a thread size of about 14mm thread why those of lawn mower range between 10 to 12 mm.