FlatRacer BMW R2v (post 1981) Dell Orto PHM38 conversion kit

FlatRacer BMW R2v (post 1981) Dell Orto PHM38 conversion kit

FlatRacer BMW R2v (post 1981) Dell Orto PHM38 conversion kit

The famous and legendary "pumper" Dell'Orto carburettors fitted to the BMW R90S. Outstanding performance due to its accelerator pump design (injecting additional 4cc of fuel every time you WOT - wide open throttle) giving instant acceleration through the gears.

After many requests from our customers to have a ready-made kit, we present you our FlatRacer BMW R2v Dell Orto PHM38 conversion kit. This kit comprises all the necessary parts to fit on the post 1981 (September 1980)  BMW R2v Series models such as the R80 and R100 including Monolever and Paralever motorcycles.


  • Pair of brand new Dell Orto PHM 38's (pair) - standard jetting for the R90S an suitable for the R100 engines (65-70 HP).
  • Stainless steel cylinder head adaptor stubs (pair)
  • Original BMW inlet tract tubes (pair)
  • Original BMW rubber sleeves (pair)
  • Mahle replacement air filter (flat type for post Sept 80 models) or optional K&N high performance filter
  • Pair of throttle cables (IMPORTANT - these require shortening of the outer sleeves)
  • Manual choke levers 


  • 1 - Standard Mahle replacement paper air filter
  • 2 - K&N high performance (oiled cotton) replacement air filter

IMPORTANT: This kit is supplied with a pair of lower throttle cables but these require shortening of its outer sleeved to work properly and give the correct throttle course length.

Original 70mm Dell Orto alloy bell mouths and conical air filters are also available as optional fitting to the replacement air filter. Please do contact us with your specific requirements and we will compose a kit to your specifications.

Manual choke levers are fitted as standard thus eliminating the need for choke cables and its fiddly 3 cable junction box mechanism.

PHM40s (40mm) are also available as special request but please bear in mind that these are only really suitable for race/tuned engines. Please see our other listings

A vast range of spares for these Dell Orto carburettors are available including jets, needles, slides, air trumpets (bell mouths), tuning manual, etc. Please contact us with your requirements.

NB:  These kits are assembled to order. Please do allow us circa 3-7 days to have it fully prepared for you.

Kits for earlier bikes also available, please check our other listings.

A superb kit, offering a noticeable improvement of throttle response and overall performance. Ideally suited for 900 and 1000cc engines or smaller engines tuned for performance such as those using our Performance and 1000cc conversion kits. 

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