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 Post subject: Sprocket size matters
PostPosted: Tue Jul 14, 2020 6:18 pm 
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Current ride: X1 Lightning
Location: Robin Hoods Tree.
I know it’s been mentioned before but I’m not good at finding it🤭 I know there are two size sprocket/pulleys and I know you can swap and change them but can’t remember what advantage or disadvantage they have. If someone could point me in the right direction please.

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PostPosted: Tue Jul 14, 2020 6:30 pm 
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Current ride: X1 2001 White Riot
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US gearing 27/61 for a tube frame Buell
lowers top speed increases accleration, makes that torque come out to play :mrgreen:
or the half/half withthe UK on the front & US61 on the rear however it will effect your speedo
just search US gearing :mrgreen:

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PostPosted: Tue Jul 14, 2020 6:35 pm 
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viewtopic.php?f=7&t=708&hilit=US+gearing

read this
go to 03 post it explains it all....

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PostPosted: Wed Jul 15, 2020 2:59 am 
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Nutah wrote:
http://www.ukbeg.com/forum/viewtopic.php?f=7&t=708&hilit=US+gearing

read this
go to 03 post it explains it all....

Blast from the distant past. :shock:

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PostPosted: Wed Jul 15, 2020 7:47 am 
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:mrgreen: indeed :yup:

I am running 1/2 US gearing , I have a Sportster rear pulley which was modified by Pete :worthy:
he opened the central hole which now fits the Buell wheel
makes a real noticable difference , so full US gearing would be even better :mrgreen:

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PostPosted: Wed Jul 15, 2020 1:28 pm 
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Current ride: X1 Lightning
Location: Robin Hoods Tree.
That's very informative and thanks for pointing me in the right direction.
Is there a significant difference on traveling at slow speed in traffic, ie: feeling you have to slip the clutch to slow down?

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PostPosted: Wed Jul 15, 2020 1:51 pm 
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Current ride: Muffin 2001 X1
I've got full US gearing on Muffin and it's far better around town and for hooning around , only time it's not as good as standard is if you have long motorway blasts at high speed . On the X1 you need to change the speedo or put a speedo healer on to correct the reading on yours.

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PostPosted: Wed Jul 15, 2020 8:26 pm 
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sillyb wrote:
That's very informative and thanks for pointing me in the right direction.
Is there a significant difference on traveling at slow speed in traffic, ie: feeling you have to slip the clutch to slow down?


no never needed to slip the clutch

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PostPosted: Wed Jul 15, 2020 9:01 pm 
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Current ride: S1`s
Location: Llanelli South Wales
29 front and 61 rear for me. :sun:


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PostPosted: Wed Jul 15, 2020 10:38 pm 
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Current ride: 1999 X1
Location: Texas, Gerrards Cross
kevmean wrote:
I've got full US gearing on Muffin and it's far better around town and for hooning around , only time it's not as good as standard is if you have long motorway blasts at high speed . On the X1 you need to change the speedo or put a speedo healer on to correct the reading on yours.

70 MPH highway all day long is only 3600 rpms with US gearing and a 170 rear tire on the X1. I find that to be the sweet spot for cruising and it's also the best balanced at that rpm. I'd consistently gotten right at 50 mpgs when I was using the Buells for trips all over north America (pre-ethanol blends) and that was with the full race kit and 536 cams. But our roads are mostly straight and flat which helps achieve that efficiency.

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PostPosted: Fri Jul 17, 2020 5:35 pm 
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Current ride: 99 Cyclone M2
Location: Liverpool
Full US gearing on mine when it was on the road :yup:
Now running 23/58 sprockets and chain :coat: ;)

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PostPosted: Fri Jul 17, 2020 8:20 pm 
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Current ride: 1999 X1
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Why so low of a final drive ratio? You doing hill climbs? Pulling a camper?

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2012 XR1200X - 2011 Kawasaki Z1000SX - 1999 Buell X1


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PostPosted: Fri Jul 17, 2020 10:19 pm 
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Current ride: 99 Cyclone M2
Location: Liverpool
x1glider wrote:
Why so low of a final drive ratio? You doing hill climbs? Pulling a camper?

Restricted to 1/4 miles ;)

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