Idle question
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Intermediate
Joined: Nov 2016
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From: Canada
Idle question
Hello everyone. Just a question about the M8 idle. I only have about 300 km on my new Street Glide Special. After the bike warms up and the idle drops down to around 850 rpm the idle sometimes bounces around a bit. I am asking because I had read that at first service the idle might be raised up to around 900 or 950. Does anybody else have a motor with an idle that jumps around a bit? It will sit at around 850 then drop maybe to 750 or 800 then jump up to 950 or 1000 then back down. Not a huge issue as the bike never stalls but I'm just wondering if this is common at all. Thanks for any input you guys might have.
Seasoned HDF Member
Joined: Jan 2008
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From: State of Confusion
mine fluctuated a tiny bit..but always stabilizes rather quickly, same behavior after the bump to 950..don't sweat it, working as designed..I don't know if they do a Digital Tech change as part of service but I had my Stage 1 done at the time and it came back 950..ask them about it at your 1K
Last edited by mjwebb; Mar 25, 2017 at 11:45 PM.
Thread Starter
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Intermediate
Joined: Nov 2016
Posts: 45
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From: Canada
Thanks for the reply. This is my first harley davidson and very different from bikes I've owned in the past. The V-twin is a big change from my triple so I'm still getting a feel for it. Cheers.
Seasoned HDF Member
Joined: Dec 2009
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From: Doghouse... mostly
Hello everyone. Just a question about the M8 idle. I only have about 300 km on my new Street Glide Special. After the bike warms up and the idle drops down to around 850 rpm the idle sometimes bounces around a bit. I am asking because I had read that at first service the idle might be raised up to around 900 or 950. Does anybody else have a motor with an idle that jumps around a bit? It will sit at around 850 then drop maybe to 750 or 800 then jump up to 950 or 1000 then back down. Not a huge issue as the bike never stalls but I'm just wondering if this is common at all. Thanks for any input you guys might have.
Banned
Joined: Feb 2017
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From: Massachusetts
Hello everyone. Just a question about the M8 idle. I only have about 300 km on my new Street Glide Special. After the bike warms up and the idle drops down to around 850 rpm the idle sometimes bounces around a bit. I am asking because I had read that at first service the idle might be raised up to around 900 or 950. Does anybody else have a motor with an idle that jumps around a bit? It will sit at around 850 then drop maybe to 750 or 800 then jump up to 950 or 1000 then back down. Not a huge issue as the bike never stalls but I'm just wondering if this is common at all. Thanks for any input you guys might have.
Mine is exactly the same. You get a nice "potato, potato" when it is bouncing around 850 rpm, which is very normal. I believe the HD engineers put in a lot of time and effort to keep this signature vibration while keeping the bike smooth as silk at higher rpm's. Have fun, ride safe.
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Intermediate
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From: Canada
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2nd Gear
Joined: Mar 2017
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From: Taylor, Michigan
Are you doing this every time you start the bike or just once each day? It would seem excessive if you have to do this every time you start the bike.
Last edited by lafontaine22@yahoo.com; Jul 16, 2018 at 10:13 AM.
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From: Texas
Hello everyone. Just a question about the M8 idle. I only have about 300 km on my new Street Glide Special. After the bike warms up and the idle drops down to around 850 rpm the idle sometimes bounces around a bit. I am asking because I had read that at first service the idle might be raised up to around 900 or 950. Does anybody else have a motor with an idle that jumps around a bit? It will sit at around 850 then drop maybe to 750 or 800 then jump up to 950 or 1000 then back down. Not a huge issue as the bike never stalls but I'm just wondering if this is common at all. Thanks for any input you guys might have.