FE
Ferry Marine
Livingston, West Lothian
- Dealers
- Servicing & Repairs
- Diagnostics
Family-run Scottish marine centre offering Sea-Doo sales, servicing, diagnostics and tuning since 1985.
Sea-Doo
Jetski Diagnostics UK
Intermittent faults are where money disappears fastest. A workshop with the correct brand software can read live data and stored codes rather than replacing parts on a hunch — which matters on modern skis where a single sensor or a corroded earth can mimic a major failure.
The businesses listed here run diagnostics on Sea-Doo, Yamaha and Kawasaki platforms, including compression and leak-down testing, cooling system pressure tests and electrical fault-finding.
Listings
Diagnostics specialists across the UK
JE
Jet Crazy
Basildon, Essex
- Servicing & Repairs
- Diagnostics
- Performance & Tuning
Basildon dealer of 26 years selling and servicing Sea-Doo, Yamaha and Kawasaki jetskis with diagnostics and tuning.
Sea-Doo • Yamaha • Kawasaki
JE
Jetskifix PWC Specialist
Poole, Dorset
- Servicing & Repairs
- Diagnostics
Full-time PWC engineer covering Poole, Bournemouth and Christchurch for maintenance, servicing and repairs on all makes.
Sea-Doo • Yamaha • Kawasaki
KE
Kent Marine Services
Rochester, Kent
- Servicing & Repairs
- Diagnostics
Kent marine engineering firm offering servicing and maintenance for private vessels, outboards and personal watercraft.
LC
LC Marine
Chichester, West Sussex
- Servicing & Repairs
- Diagnostics
Jetski fault diagnosis, servicing, repairs and winterising with full diagnostic software.
Sea-Doo • Yamaha • Kawasaki
M.
M.E.S. Marine
Deeside, Flintshire
- Servicing & Repairs
- Diagnostics
- Dealers
North West workshop servicing and repairing PWC, outboard and inboard engines with full diagnostics.
Yamaha
MA
Martini Marine
Hayes, Greater London
- Servicing & Repairs
- Diagnostics
Marine engineering and electrical company at Willow Tree Marina offering engineering, welding and repairs.
RO
Rock Marine Services
Wadebridge, Cornwall
- Servicing & Repairs
- Diagnostics
- Storage
Cornwall marine dealer and workshop offering servicing, diagnostics, storage and trailer work for boats and personal watercraft.
Yamaha
SP
SPMR Motorcycles
Coventry, Warwickshire
- Servicing & Repairs
- Diagnostics
Coventry workshop offering general servicing and electrical diagnostics for Honda, Kawasaki, Sea-Doo and Yamaha jetskis.
Kawasaki • Sea-Doo • Yamaha
TH
The Jetworks
Whitstable, Kent
- Servicing & Repairs
- Diagnostics
- Performance & Tuning
Sea-Doo dealer near Whitstable offering jetski servicing, tuning, engine rebuilds and parts.
Sea-Doo
TR
Truro Boat Services
Truro, Cornwall
- Servicing & Repairs
- Diagnostics
- Engine Rebuilds
Malpas-based marine engineers offering inboard and outboard servicing, diagnostics and full engine rebuilds in Cornwall.
Overview
What diagnostics usually covers
Fault code reading
Brand-specific software to read stored and live data, reset service reminders and check supercharger or fuel trims.
Mechanical testing
Compression and leak-down tests, cooling flow checks, pressure testing for water ingress and exhaust leaks.
Electrical fault-finding
Charging faults, corroded connectors, failing sensors, immobiliser and lanyard issues, battery drain tracing.
Costs
How much does jetski fault diagnosis cost?
Most workshops charge a diagnostic fee that covers testing time, sometimes deducted from the repair if you go ahead. Ask how that works before booking.
Fault codes only get you so far. A good diagnostic session combines brand software with compression and leak-down testing, so you replace the part that is actually failing rather than the part the code points at.
Questions
What to ask a diagnostics specialist
- Do you have the manufacturer software for my model?
- Is the diagnostic fee credited against the repair?
- Will I get a written report with the codes and readings?
Locations
Diagnostics by area
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FAQ
Diagnostics — frequently asked questions
- Why does my jetski show a fault code but still run?
- Many codes are advisory: a sensor reading outside its expected range, a logged over-temperature, or a historical fault that has cleared. Reading live data alongside the code is what separates a genuine fault from a stored one.
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