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JHS
Racing provide a comprehensive diagnostic & engine performance tuning service using our Dynojet rolling road facility.
We are an approved Dynojet Power Commander tuning centre serving Bristol and the south west.
Our technicians are fully trained and certified by Dynojet.
Using the most up to date Dynojet 250i dyno in our air-conditioned facility we can test bikes up to 500bhp.
In combination with the very latest tuning link software we can supply and install
the Dynojet Power Commander for any bike, accurately setting up the fuelling and ignition to achieve optimum performance.
Dynojet's Load Control System uses the latest in eddy current power absorption technology which, combined with Dynojet software, enables our technicians to achieve consistent, repeatable results.
The real-world benefits delivered by our dyno testing, tuning and set-up facilities are more than just an increase in top-end performance but improved smoothness, responsiveness and efficiency in all riding conditions.
- DynoJet 250i Rolling Road
- Latest Tuning Link software
- Latest Suzuki SDS system & Axone
We are also a Yoshimura Performance Centre
and can supply all Yoshimura performance products
direct from Japan.
We carry out all types of engine tuning for road
or race applications, including bespoke engineering
work. Please contact us for full specifications and
pricing.
We also provide:
- Camshaft reprofiling by Kent Cams and hot cams
- Piston kits from Wiseco, JE
- Conrods from Carrillo and Falicon
- Full range of Factory Pro products.
- Titanium, aluminium & TIG
welding services
- Machining, milling & turning services
- Bespoke engine
building services.
Judge from our results
We stand on our record. JHS have built and tuned
racing bikes for many class-leading riders in the
Supersport and MiniTwins race series. Trusted by top
motorcycle racers, JHS have been able to deliver the
winning advantage through our programme of
consistent research, development and testing. For
optimum performance on road or track you can rely on
our equipment, knowledge and experience. We aim to
exceed your expectations!
Please call or visit our workshop for further
information and to discuss your requirements.
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Special Offer:
Power Runs
Dyno test your bike
for just £29.50
Ride-in dyno testing service. For diagnostic
assessment, to evaluate the benefit of
modifications or accessories, or simply
because you're curious about your bike's
power output.
Your dyno test run includes
printouts showing detailed information, with
graphs of your bike's torque and power
curves.
Call us now for further details. |
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JHS are the exclusive providers of dyno testing
services and dyno performance data to Fast Bikes
Magazine. |


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