specialise in carburettor diaphragms, air cut-off valves [or
coaster enrichment valves] carburettor overhaul kits and spares
for all Japanese carbs. NRP manufacture and supply a large
range of main diaphragms for Honda, Kawasaki, Suzuki, Yamaha,
Triumph, Aprilia, Benneli, Bimota, Beta, Cagiva, Ducati and
Sachs motorcycles, as well as Vespa, Hyosung,and other scooters,
only available from us. We have been producing diaphragms
since 1988, and take pride in not being constrained by genuine
We are the only source of many discontinued parts for older
models, at much more reasonable prices.
We cover Mikuni, Keihin, Hitachi, Tokei and TK Kikaki carbs
from 1970's to 00. Where as an original part the diaphragm
is only available as a complete sealed unit, we offer a service
where we refit a new diaphragm to your original slide. Where
the original part can be improved to ensure long and trouble
free service, this is incorporated into the design.
NRP is THE UK distributer for KEYSTER carb kits, the most
comprehensive carb rebuild kits available, and second to none
for quality. ALL kits include MAIN JETS, PILOT JETS, JET NEEDLE,
NEEDLE VALVE[+ SEAT WHERE REMOVEABLE] FLOAT CHAMBER GASKET[OR
SEAL] AND MIXTURE SCREW/SPRING/O-RING plus all other carb
O-RINGS. The Keyster carb kits cover from 1960-1990's As well
as carburettor overhaul kits and fuel tap diaphragms and kits,we
can supply gaskets, needle valves[float valves],jet needles,
needle jets[emulsion tubes or nozzles], main jets, pilot jets
seals and spares for all Japanese carbs.
We also supply fuel tap or petcock diaphragms and overhaul
kits for most models,where many Genuine suppliers can only
supply complete units.