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View Full Version : 86 250r what spark plug and what should the gap be?


86ATC 250r
02-06-2012, 09:35 PM
when i bought my 250r it had a br8eg plug in it. but i think it suppose to have a br8es if im right. or what is the right plug for it. what is the difference between the 2? and what should i gap it at? i live in pa and ride when its cold. so what plug should i run in summer or winter but i dnt ride if there is snow on the ground. i know this is someting simple but i dont know for some reason so i thought i would ask. thanks for any input.
RIDE-RED 250r
02-06-2012, 10:19 PM
Not sure the difference between the br8eg and br8es plug. Important thing is you are running the proper heat range indicated by the number 8. Don't run anything hotter than an 8... But I run a standard br8es gapped at .018-.020.

Check the NGK site. I believe they have a chart for deciphering sparkplug number/letter designations.
86ATC 250r
02-06-2012, 10:48 PM
i bought a br8es today so thats what im gonna put in it. thanks for the web site. and my r is bone stock right down to the pipe. im gonna get a esr pipe soon. so should i still gap it at that?
RIDE-RED 250r
02-06-2012, 11:04 PM
Ok, I misinformed you on the plug gap. Just double checked my Honda service manual and it calls for .028-.031 plug gap. I mixxed up the trike plug gap specs with my sled plug gap specs.

Sorry about the mix up... too many toys! :crazy:
86ATC 250r
02-07-2012, 03:02 AM
i looked on the site. br9es and br8es is for 85 86atc 250r. the br8eg says it was for a cr250 and cr500 around the same years. so i dnt know. thanks for the input. i need a service manual. where could i get one?
Red Rider
02-07-2012, 03:27 AM
i need a service manual. where could i get one?Try here:
http://www.3wheelerworld.com/showthread.php/56218-Get-your-trike-service-manuals-here!-Updated-9-13-07
Why are we all linking the same service manual site? :wondering
RIDE-RED 250r
02-07-2012, 05:36 PM
Try here:
http://www.3wheelerworld.com/showthread.php/56218-Get-your-trike-service-manuals-here!-Updated-9-13-07
Why are we all linking the same service manual site? :wondering

I haven't the foggiest... I think it's along the same lines as why hammer shows up when you type h a m m e r..