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Backfiring Engine!!!!!!!!!!!! (Read 32 times)

PAPA_THUMP

Ex Member

use ngk-Re: Backfiring Engine!!!!!!!!!!!!
Reply #60 - 08/27/05 at 16:32:41

O.K. HERE WE GO:

all of the advise is good--- but--- I was born and raised in N.Y.C. - our motto is " QUICK AND DIRTY"

- remove the white plastic spacer= no backfire
- replace with2 washers= very little or no backfire-- better performance.
- use ngk-dpr8ea-9
- squirt carb cleaner into carb while engine is running--
keep it running about 10 sec.
- go to mc dealer and buy a owners manual-- aprox $5
- once she is running o.k. replace plug, one shot of wd-40 into the carb-- and have fun riding !!!!

PAPA THUMP Wink

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roughrider

Ex Member

Re: Backfiring Engine!!!!!!!!!!!!
Reply #61 - 08/27/05 at 18:41:25

Well Paula71

The afterfire also can cause engine problems.
They also tend to do damage to the exhaust system.
They also tend to make people very nervous when you drive by. They think a drive by shooting has occurred.

The other day I afterfired so loud at the corner of 11th and Grand in Kansas City that 4 to 6 black dudes hit the deck on the sidewalk. This afterfire stuff is serious! Ask Lancer He'll tell you about engine problems.

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LANCER Serious Thumper Alliance Member Offline Savage Beast Performance Parts Posts: 10606 Oklahoma Gender:	Re: Backfiring Engine!!!!!!!!!!!! Reply #62 - 08/27/05 at 19:14:23 That is why I rejet and tune the carb, to eliminate that problem. The factory adjusts them to run EXTREMELY LEAN to pass the EPA requirements. My concern is not the EPA, but my properly running bike...therefore I tune. Besides, it runs better and faster.
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Savage_Greg Serious Thumper Alliance Member Offline Don't go around your ass to reach your elbow... Posts: 7844 SW Washington State Gender:	Re: Backfiring Engine!!!!!!!!!!!! Reply #63 - 08/28/05 at 07:25:04 I'm going to continue to use the term "backfire". This old dog.... Besides, getting flames out of the carb is very remote and usually involves some seriously bad ignition or valve timing.
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Ed L. Serious Thumper Alliance Member Offline "We All go a Little Crazy Sometimes" Norman Bates Posts: 2808 Sunny Florida Gender:	Re: Backfiring Engine!!!!!!!!!!!! Reply #64 - 08/28/05 at 08:49:25 I think I'll just keep using "backfire" instead of "afterfire". Most people don't know or care about the difference anyway. Once you retune the carb it goes away and the bike runs so much better . I still miss the loud backfires my '02 used to make with the stock carb tuning. :'(
Back to top	Silver '02, clubman handle bars, Cobra headlight, Sportster muffler, K+N stock air filter, 152.5 main, Superbrace, oil cooler, 1/2 inch aluminium plate forward controls, spark advance, goes like stink IP Logged

mornhm - FSO Serious Thumper Offline HMMM Posts: 1105 Gender:	Re: Backfiring Engine!!!!!!!!!!!! Reply #65 - 08/28/05 at 18:54:13 Afterfire makes sense, but we always called both backfires. Backfire seemed good when it was way below zero and you had both hands cupped over the carb to warm and reduce the air flowing into a big old V-8. The backfire not only warmed your hands, but cleaned up any hairs on the back of your hands.
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barb36jack31 Full Member 2005 No Login Offline I love YaBB 1G - SP1! Posts: 173 Heathrow, FL Gender:	Re: Backfiring Engine!!!!!!!!!!!! Reply #66 - 09/25/05 at 14:12:01 Re: Getting rust off chrome. Cocoa-Cola and #0000 steel wool GENTLY works great.
Back to top	05 S40 , air needle adjustment, white spacer, 152.5 main jet, K&N filter, SuperTrapp muffler, Progressive shocks , sissy bar off IP Logged

Savage_Rob Serious Thumper Alliance Member Offline Mechanically Inclined Amateur Posts: 6972 Texas (Dallas area) Gender:	Re: Backfiring Engine!!!!!!!!!!!! Reply #67 - 09/25/05 at 14:53:12 barb36jack31 wrote on 12/31/69 at 16:00:09: Re: Getting rust off chrome. Cocoa-Cola and #0000 steel wool GENTLY works great. LOL! That reminds me of when we used bug-juice (generic kool-aid) in the Navy to remove tarnish from brightwork (brass). It works very well.
Back to top	1998\|MAC muffler\|ceramic coated header\|K&N air filter\|Amal Mk2 carb\|Odyssey battery\|iridium plug\|NC windshield\|Dunlop 491s\|Superbrace\|EBC brake rotor\|12.5" Progressive shocks\|Kuryakyn ISO grips IP Logged

Savage_Greg Serious Thumper Alliance Member Offline Don't go around your ass to reach your elbow... Posts: 7844 SW Washington State Gender:	Re: Backfiring Engine!!!!!!!!!!!! Reply #68 - 09/26/05 at 06:34:58 Savage_Rob wrote on 12/31/69 at 16:00:09: LOL! That reminds me of when we used bug-juice (generic kool-aid) in the Navy to remove tarnish from brightwork (brass). It works very well. I remember Bug Juice. I thought that it's name came from the unknown things that were often floating in it.
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Savage_Rob Serious Thumper Alliance Member Offline Mechanically Inclined Amateur Posts: 6972 Texas (Dallas area) Gender:	Re: Backfiring Engine!!!!!!!!!!!! Reply #69 - 09/26/05 at 07:35:14 Savage_Greg wrote on 12/31/69 at 16:00:09: I remember Bug Juice. I thought that it's name came from the unknown things that were often floating in it. That's always possible. I stuck to drinking coffee and using bug-juice as a solvent.
Back to top	1998\|MAC muffler\|ceramic coated header\|K&N air filter\|Amal Mk2 carb\|Odyssey battery\|iridium plug\|NC windshield\|Dunlop 491s\|Superbrace\|EBC brake rotor\|12.5" Progressive shocks\|Kuryakyn ISO grips IP Logged

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