SuzukiSavage.com - Idle Speed, No Tach

ThumperPaul

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Idle Speed, No Tach
08/29/24 at 05:22:47

I know this has been discussed before, but it’s a worthy topic.

Idle Speed, but I ain’t got no tach (many people, stock bike)…. Actually, I have a decent tach but do I believe it??!

Idling too low is no good…. Bike barely has any oil pressure in the head with a fast idle…. I think the recommended spec is 1100rpm. I know some members have mentioned 1200-1300. My tach reads about 1250 when the bike is up to operating temperature. But, do I believe it? I’m gunna try to verify with an external tach, but will I believe it? Which one do I believe?! Average the results? Humm…

My ear is good enough to know the beat shouldn’t be as slow as Black Sabbath’s “Iron Man” intro. Don’t try to make it lobe like a Harley. Sounds cool, but deadly.

https://youtu.be/qRcYjJQ0JHg?si=swoYOvXRpAVJsEl_

Is Led Zeppelin’s “Black Dog” too fast?

https://youtu.be/6tlSx0jkuLM?si=ZSMk24aaYO9XntoV

Is there a tune in the middle, maybe some Aerosmith or Pink Floyd??

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JOG Serious Thumper Offline SuzukiSavage.com Rocks! Posts: 723 Longview, Texas Gender:	Re: Idle Speed, No Tach Reply #1 - 08/29/24 at 16:28:00 IIRC a Redneck solution is get somewhere level, ish,, no strong wind, idle in first, Ottsta make 10 mph,,mehh,,12.. At least ten.. A higher idle doesn't come with a penalty,, a sexy loping thump? That is probably going to be expensive.
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ThumperPaul

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Re: Idle Speed, No Tach
Reply #2 - 08/29/24 at 17:06:47

JOG wrote on 08/29/24 at 16:28:00:

IIRC a Redneck solution is get somewhere level, ish,, no strong wind, idle in first, Ottsta make 10 mph,,mehh,,12.. At least ten.. A higher idle doesn't come with a penalty,, a sexy loping thump? That is probably going to be expensive.

LOL. I'll wobble and tip over before it idles up to 10mph! Drag my feet while i walk the dog?

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ohiomoto Serious Thumper Online SuzukiSavage.com Rocks! Posts: 2778	Re: Idle Speed, No Tach Reply #3 - 08/29/24 at 17:13:31 https://g.co/kgs/KGrXqEh @550 bpm
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ThumperPaul Serious Thumper Offline SuzukiSavage.com Rocks! Posts: 1738 Houston, Texas Gender:	Re: Idle Speed, No Tach Reply #4 - 08/29/24 at 17:20:56 ohiomoto wrote on 08/29/24 at 17:13:31: https://g.co/kgs/KGrXqEh @550 bpm Cool. I can't get it to go to 550 though...Some day I can't tie my shoes either...
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JOG Serious Thumper Offline SuzukiSavage.com Rocks! Posts: 723 Longview, Texas Gender:	Re: Idle Speed, No Tach Reply #5 - 08/29/24 at 20:45:16 Ya don't Hafta start from a stop YaKnow,, it's okay to roll into a late night parking lot where stores are closed and slow down, drop into first,let it drop to idle.
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Dave YaBB Moderator ModSquad Offline SuzukiSavage.com Rocks! Posts: 18117 Camp Springs, Kentucky Gender:	Re: Idle Speed, No Tach Reply #6 - 08/30/24 at 02:51:51 ohiomoto wrote on 08/29/24 at 17:13:31: https://g.co/kgs/KGrXqEh @550 bpm When your engine is turning 1,100 rpm.....there are 550 exhaust pulses per minute. Play the 550bpm and match the frequency with your idle speed!
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JOG Serious Thumper Offline SuzukiSavage.com Rocks! Posts: 723 Longview, Texas Gender:	Re: Idle Speed, No Tach Reply #7 - 08/30/24 at 04:03:50 https://m.youtube.com/watch?v=dqz8V1CSdl8 Somehow I'm not seeing this as all that helpful,, but it's 550 beats a minute. Or so they say. Maybe if it was monotone, and with more of a Dyna accent. Poke one ear bud in,turn it up to 11? Put a hand behind the exhaust and listen? Don't forget to stand it up some. Keep the cam happy.
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ThumperPaul

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Re: Idle Speed, No Tach
Reply #8 - 08/30/24 at 04:57:40

Dave wrote on 08/30/24 at 02:51:51:

ohiomoto wrote on 08/29/24 at 17:13:31:

https://g.co/kgs/KGrXqEh

@550 bpm

When your engine is turning 1,100 rpm.....there are 550 exhaust pulses per minute.

Play the 550bpm and match the frequency with your idle speed!

Thanks for the reply. I get the concept, but I can’t get the metronome link you shared to crank up past 218bpm. It maxes out at 218. Maybe it’s my browser or I’m just not techno-savvy enough to figure it out.

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Dave YaBB Moderator ModSquad Offline SuzukiSavage.com Rocks! Posts: 18117 Camp Springs, Kentucky Gender:	Re: Idle Speed, No Tach Reply #9 - 08/30/24 at 12:10:44 Here: https://www.google.com/search?client=firefox-b-1-e&q=550bpm#fpstate=ive&vld=c...
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JOG Serious Thumper Offline SuzukiSavage.com Rocks! Posts: 723 Longview, Texas Gender:	Re: Idle Speed, No Tach Reply #10 - 08/30/24 at 15:01:14 Now THAT is usable.
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ohiomoto Serious Thumper Online SuzukiSavage.com Rocks! Posts: 2778	Re: Idle Speed, No Tach Reply #11 - 08/30/24 at 17:08:30 Sorry guys. I didn't test the Google metronome.
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ThumperPaul Serious Thumper Offline SuzukiSavage.com Rocks! Posts: 1738 Houston, Texas Gender:	Re: Idle Speed, No Tach Reply #12 - 08/31/24 at 04:12:23 All good, Ohiomoto! Dave - Nice find on that one! Play that while listening to the exhaust and you’ll think you need a complete valve job! The tone of the metronome sound that is. The sound when you definitely need to check the valve lash! lol.
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