Yanmar Marine Diesel Engine Service Across South Florida
- Mobile + In-Vessel Service
- Marine Diesel Systems
- 7 Days a Week
Diagnostics, scheduled maintenance and customer-authorized repairs for Yanmar marine diesel engines across Miami-Dade, Broward and Palm Beach—including no-start, overheating, smoke, alarms, power loss, fuel, cooling, exhaust, electrical and control concerns.
Equipment Focus
Yanmar marine diesel engines and onboard systems
Marine diagnostics, maintenance and repair, with the service path confirmed from the model, serial number, vessel access and requested work.
Request Service
Request Yanmar Marine Diesel Service
Tell us the Yanmar engine model, symptoms, alarms or fault codes, and recent work. We’ll connect your request with the appropriate Sail Onyx technician. Recent report-backed Yanmar work documents engine staging, accessory-drive preparation, and coupling and flywheel preparation during a starboard-engine installation.
“Oscar the mechanic was awesome too. He arrived when they said he would and worked diligently to locate the problem.”— Jackie Simmons, Google reviewer
“The technician was super knowledgeable and made sure everything was running perfectly. The communication was spot on too—always keeping me updated.”— Brian Skvarla, Google reviewer
“We ended up fully servicing our engines and Kohler generator with them… Highly recommended!”— Anthony Quartieri, Google reviewer
Need immediate assistance? Call (786) 505-4259.
Yanmar Marine Service
A clearer path from engine symptoms to customer-authorized work
Share the engine information (model, drive type, serial number) and what the vessel is doing. Our team will review the system, confirm the correct troubleshooting path and the recommended next step.
Yanmar Service Scope
Yanmar marine diesel engine service
Choose the concern that best matches the vessel. The final service path is confirmed from the equipment model, symptoms, access and inspection findings.
Marine Diesel Engine Service
Diagnostics, scheduled maintenance and customer-authorized repairs for Yanmar marine diesel engines and connected cooling, fuel, exhaust, electrical, control and driveline systems.
Choose a service need
Yanmar and related marks are trademarks of their respective owners. Brand references identify equipment clients may ask Sail Onyx to service and do not imply affiliation, sponsorship, dealer or distributor status, or warranty authorization.
Verified Google Reviews
Trusted by South Florida Boat & Yacht Owners
Verified Google review excerpts describing Sail Onyx engine and mechanical service.
“Oscar the mechanic was awesome too. He arrived when they said he would and worked diligently to locate the problem.”
“The technician was super knowledgeable and made sure everything was running perfectly. The communication was spot on too—always keeping me updated.”
“We ended up fully servicing our engines and Kohler generator with them… Highly recommended!”
Project Highlights
Documented Yanmar Starboard-Engine Installation
Model/driveline context: requests may involve YANMAR 1GM10, YM, JH, 4LV, 8LV, 6LY-CR, 6LF or 6LT engines with compatible Kanzaki or ZF marine gears, SD-series saildrives, ZT370 sterndrives on supported 4LV and 8LV packages, or selected waterjet installations. Exact scope and engine-to-driveline compatibility are confirmed from the model and serial number.
Swipe to view each project.
Our Process
From engine symptoms to a verified next step
A practical service path built around accurate equipment details, customer-authorized work and documented operating checks.
Request
Send Engine Details
Share the model, serial number, hours, symptoms, alarms, recent work and available photos.
Review
Inspect & Approve
We diagnose the concern, separate immediate repairs from optional work and confirm the scope before proceeding.
Complete
Service & Verify
The assigned team member completes the authorized work and performs applicable operating checks.
Common Questions
Yanmar marine diesel service FAQ
Where do you provide Yanmar marine service?
Sail Onyx serves Miami-Dade, Broward and Palm Beach counties. Mobile or in-vessel availability depends on vessel location, marina or yard access, equipment type and the work required.
What information should I send with my request?
Include the engine model, serial-number or nameplate photo, engine hours, displayed alarms or fault codes, symptoms, recent maintenance records and any photos or video that show the concern.
What Yanmar problems can your team assess?
Requests may include no-start, overheating, smoke, power loss, rough running, charging, cooling, fuel, exhaust, sensor, alarm and control concerns. The correct scope is confirmed after reviewing the equipment and symptoms.
Which Yanmar marine diesel systems can your team assess?
We review requests involving Yanmar marine diesel inboard engines and connected cooling, fuel, exhaust, electrical, control and driveline systems. Exact capability and service path are confirmed from the model, serial number, vessel access and requested work.
Can an inspection help compare repair, maintenance and repower options?
Yes. Inspection findings can support a practical next-step discussion. Parts availability, programming requirements, vessel access and any manufacturer or warranty requirements are confirmed before the scope is approved.