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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No 1: X1 Lightning.2000. Fully Mazed
No 2: KTM 1290R Superduke SE

The world maybe round but you can still find the Edge.

US gearing 27/61 for a tube frame Buell
lowers top speed increases accleration, makes that torque come out to play
or the half/half withthe UK on the front & US61 on the rear however it will effect your speedo
just search US gearing

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Feros Ferio

viewtopic.php?f=7&t=708&hilit=US+gearing

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

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Feros Ferio

Blast from the distant past.

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Try doing this to yer fueller...........

indeed

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

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Feros Ferio

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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No 1: X1 Lightning.2000. Fully Mazed
No 2: KTM 1290R Superduke SE

The world maybe round but you can still find the Edge.

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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2001 X1 2009 1125CR 2006 Uly X3 2010 Uly a fully Maz'd S1 and a 1991 RS1200 Westwind.

no never needed to slip the clutch

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Feros Ferio

29 front and 61 rear for me.

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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Bob Krzeszkiewicz
2012 XR1200X - 2011 Kawasaki Z1000SX - 1999 Buell X1

Full US gearing on mine when it was on the road
Now running 23/58 sprockets and chain

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Last year I joined a group for anti-social people
We haven't met yet.

Why so low of a final drive ratio? You doing hill climbs? Pulling a camper?

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Bob Krzeszkiewicz
2012 XR1200X - 2011 Kawasaki Z1000SX - 1999 Buell X1

Restricted to 1/4 miles

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Last year I joined a group for anti-social people
We haven't met yet.