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Is it OK to shut down this way to avoid backfire? (Read 141 times)

Mattdw

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Is it OK to shut down this way to avoid backfire?
08/08/11 at 08:00:06

I haven't played much with the carb to remove the backfire but I had a '96 with the same backfire as my '07...
Anyway, pull in the clutch, come to a full stop in first gear. Hold the front brake, slowly let out the clutch and let the engine die.
I never get a backfire.
I wouldn't think this is too hard on an engine...
What do you guys think?

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Serowbot YaBB Moderator ModSquad Offline OK.... so what's the speed of dark? Posts: 28660 Tucson Az Gender:	Re: Is it OK to shut down this way to avoid backfi Reply #1 - 08/08/11 at 08:45:16 I think it's okay,... ...but, without the backfire, can you ever be sure it's shut down?... ...
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Mattdw Full Member Offline Posts: 193 Frisco, TX Gender:	Re: Is it OK to shut down this way to avoid backfi Reply #2 - 08/08/11 at 08:48:15 Serowbot wrote on 08/08/11 at 08:45:16: I think it's okay,... ...but, without the backfire, can you ever be sure it's shut down?... ... Sometimes I actually like the backfire, just for fun...but, if I've come home at 10 or 11pm...I kinda like to keep it on the down-low, ya know?
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Gyrobob

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Re: Is it OK to shut down this way to avoid backfi
Reply #3 - 08/08/11 at 09:02:39

Mattdw wrote on 08/08/11 at 08:48:15:

Serowbot wrote on 08/08/11 at 08:45:16:

I think it's okay,...
...but, without the backfire, can you ever be sure it's shut down?... Grin

...

Sometimes I actually like the backfire, just for fun...but, if I've come home at 10 or 11pm...I kinda like to keep it on the down-low, ya know? Wink

I've heard of some folks doing something very similar to your technique:

Come to a stop, leave it in any gear, let out the clutch to where it just starts to drag, then shut off the bike. This has the motor stopping almost immediately when the key is moved to "off."

The one guy I overheard recommending this technique said he would leave it in second gear when he would do this because on his particular bike, he could get it into neutral much easier than trying to find neutral from first gear. YMMV

I wonder what would happen if, on a RYCA CS-1 set up with a manual decompression system, you simultaneously decompressed and shut off the ignition?

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thumperclone Serious Thumper Alliance Member Online PGR rider riding with respect Posts: 6067 Grand Junction Colorado Gender:	Re: Is it OK to shut down this way to avoid backfi Reply #4 - 08/08/11 at 09:59:27 I wonder what would happen if, on a RYCA CS-1 set up with a manual decompression system, you simultaneously decompressed and shut off the ignition? [/size] [/quote] back flame in the wrong place??
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12Bravo Serious Thumper Offline SuzukiSavage.com Rocks! Posts: 628 Mid-Missouri Gender:	Re: Is it OK to shut down this way to avoid backfi Reply #5 - 08/08/11 at 10:18:53 You can always pull the choke out halfway then shut the bike off to help reduce backfires. Most of the time just adjusting the air/fuel mixture takes care of the shutdown backfires.
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verslagen1

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Re: Is it OK to shut down this way to avoid backfi
Reply #6 - 08/08/11 at 11:19:55

Gyrobob wrote on 08/08/11 at 09:02:39:

I wonder what would happen if, on a RYCA CS-1 set up with a manual decompression system, you simultaneously decompressed and shut off the ignition?

There's a mod to the pre 95's that does this automatically to prevent spin back of the engine which can wreck the starter gears.

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TheSnakeLady Full Member Offline Thumpers Rule!!! Posts: 152 Central New York Gender:	Re: Is it OK to shut down this way to avoid backfi Reply #7 - 08/08/11 at 12:49:55 Wouldn't it do the exact same thing if you kept the clutch in and put the side stand down while in gear?
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drums1 Serious Thumper Offline '87 Savage Bashed--Down for the count Posts: 664 Racine, Wisconsin Gender:	Re: Is it OK to shut down this way to avoid backfi Reply #8 - 08/08/11 at 13:10:00 Personally I like the shutdown backfire. I noticed, after all these years, it shoots a blue flame about 1 foot out the muffler. Kool.
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bill67 Serious Thumper Offline old tired Posts: 8517 genoa city wisconsin Gender:	Re: Is it OK to shut down this way to avoid backfi Reply #9 - 08/08/11 at 14:29:48 TheSnakeLady wrote on 08/08/11 at 12:49:55: Wouldn't it do the exact same thing if you kept the clutch in and put the side stand down while in gear? No that would be like just turning it off.
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