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  #1  
Old 29th April 2012
Tbolt Tbolt is offline
Biker
 
Join Date: Apr 2012
Posts: 1
Sportster/Buell Model: Buell XB12R
Sportster/Buell Year: 2007
Reputation: 10
Tbolt is an unknown quantity at this point
Question 2007 XB12R cams

Newbie on here, and must admit have been mainly a two stroke/ 4 cyl owner since 15 when I started my interest in bikes.
Got my Buell 2yr old for a second bike & dual seat, and enjoy the unique design/ innovations made in building her.
A completely different bike in many ways from my (RC45), but love them both, and stands out a bit over here in the UK as not many came this way I think.
2007 being the last yr of the XB12 here as the 1125 was then introduced.

Looking to purchase a set of cams for my XB12R (2007) having bought a NHRS 1250 kit,barrels/pistons and want to get the best performance/ reliabilty I can from them. have all the usual mods - airbox, exhaust, breather, ECM - race map etc,
Have been recommended to get N4/8 (if they fit?) and possibly hand ported heads, although I believe the Buell thunderstorm heads are modified standard ones already!

Contacted Andrews direct, but not having much joy. They state "the XB requires special order cams,the N4's are not the same part numbers as shown in our catalog for XL engines, but we can do any of our lobe profiles for an XB engine. The N4 would be best suited for 9.5-10.1 & N8 a 10:1 compression ratio.

Little confused as some listed on ebay state they are for sporster/ Buell

298150 ANDREWS 490 LIFT N4 GRIND CAMS HARLEY SPORTSTER & BUELL 2000-PRES

item: 400292379701 and similar

Too add more confusion, have been told:

When fitting Andrews cams into a 2000 or newer XL you have to use 1991-1999 ones as there are no pinion gears made for 2000 and up XL/Buell ( red colour size), and so you must use the earlier pre 1999 ones - these must be used to stop engine whine.


Will be looking for some new or s/h heads or having mine ported in the future,( if I can find a suitable set - but again a little confusing which will fit and are the best for my bike)?


Any ideas/ recommendations/experiences appreciated!!
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