I recently swapped to US gearing but the speedo healer I fitted isn't correcting enough. Considering fitting a secondhand US speedo. Would one from a 1999 spec injected X1 work on my 2002 carbed M2? Don't want to drop cash on one only to find it's a non starter.

http://www.ebay.co.uk/itm/Buell-electri ... 4163d53654

- GT - the Corrector from Twin claims a 50% adjustment and the ratio difference between full UK and full US Gearing is just under 20% - so I was thinking of buying this model - can I ask why is yours not working ? -

It seemed to correct ok for 1/2 spec gearing, but I'm struggling to get it to do more than that. It's possible mine is faulty or I'm adjusting it the wrong way. Like a numpty I mislaid the instructions for the twins unit I'll contact the guys in Holland for advice.

Watch this space

I think I have one or two US speedos floating around.

Let me know if you want me to dig one out.

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08 Specialized Langster

Cheers Pash will do. Do they both have electronic miles/trip display, and any idea what mileage reading they show?

I've just emailed the guys at Twins for some advice

GT - As an alternative no cost option -

Speedometer Change UK to US.

3.034 to 3.615 increase of  (~20%)19.15%

30mph reads as 36mph. -    Keep to 40mph in a 30mph zone
40mph reads as 48mph -     Keep to 50mph in a 40mph zone
50mph reads as 60mph-      Keep to 60mph in a 50 mph zone
70mph reads as 84mph-      Keep to 85 mph in a 70 mph zone 
75mph reads as 90mph -     Keep to 90 mph on motorway 
100mph reads as 120mph - Hang on tight

How many miles do you want?

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08 Specialized Langster

Thanks for that info. I've checked against GPS and it reads 8-10mph high in top gear at 80-85mph indicated. Got a copy of the manual for Twins unit today in pdf. Anyone good at translating German?

Does that mean you can re-set them as required?

No, but it might say I have more than one

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08 Specialized Langster

I tried translating the manual on yahoo and failed

The fact that it's in PDF format didn't do me any favours

Can any one assist?

http://farm8.staticflickr.com/7219/7072 ... bb67_o.jpg