The Marine Knowledge Network
Field write-ups from real jobs - what broke, what fixed it, torque specs and part numbers included. Ask it a question; specs answer inline.
6 direct answers and 23 articles for “fuel”
Ethanol Fuel Problems in Boats: What It Does and How to Treat It
... 2. **Water-separating fuel filter on every boat you service.** If there isn't ...
Honda BF-Series Carburetor Cleaning
... stale tank fuel, missing water separator, or a rotting fuel line - Overtightening jets into ...
Yamaha WaveRunner No-Start Diagnosis
... fuel — listen for the fuel pump prime (EFI models), check fuel pressure at the ...
Outboard Fuel Pump Diagnosis: Lift Pumps, VSTs, and Primer Bulbs
## Sorting the fuel delivery chain A "dies at speed" or "loses power then recovers ...
Yamaha F-Series Four-Stroke Winterization
... Always confirm model-specific steps in the service manual — fuel system layouts differ between ...
Spring Recommissioning Checklist: Outboard Boats
... as your working checklist. ## Fuel system first - Inspect the fuel line end-to-end ...
The On-Water Diagnosis Kit: What's Actually in the Bag
... Clear fuel hose sections and spare primer bulb (the world's simplest fuel-delivery ...
Submerged PWC / Water Ingestion: The First 48 Hours Matter
... Address fuel: water in the tank means pump-out and fresh fuel. 8. Dry ...
Sterndrive Spring Recommissioning Checklist
... raw fuel smell = shut down and find it. 4. Sea trial: shifts crisp, no ...
MerCruiser Winterization (Raw-Water-Cooled)
... water) with stabilized fuel so the thermostat opens and treated fuel fills the system ...
Outboard Compression Testing: How to Do It and Read the Results
... Safety:** ignition disabled and fuel off before cranking; plug wells can spit fuel vapor.
Sea Trial Checklist for Mechanics
... 3. **Hard acceleration** — hole shot clean? Hesitation (fuel delivery), ventilation (prop/hub), or clatter ...
1995 Sea Ray Sundancer 270
... V-berth + head - Deep-V hull - Fuel ~80-100 gal - Sleeps 4 ## Options - [ ] Camper ...
Quoting a Repower: The Mobile Mechanic's Guide
... per the manufacturer's minimum spec - Fuel system: hose condition and diameter, primer, water ...
1994 Catalina 30 MKIII
... Masthead sloop rig - Designer Frank Butler - Fuel ~18 gal, Water ~20 gal - Holding ~20 ...
Exhaust Manifold and Riser Inspection on Marine V8s
... pull all plugs, crank to clear (**plugs out, ignition and fuel disabled**), bore-scope ...
Sea-Doo Winterization Step by Step
... 4. **Fuel:** fill the tank (limits condensation), dose with stabilizer, and run briefly to ...
Reading Marine Spark Plugs: A Diagnosis in Your Hand
... on two-strokes), water in the fuel leaning a cylinder, or blocked jets. - **Rusty ...
Two-Stroke vs Four-Stroke Oil: What Goes Where and Why It Matters
## Two different jobs **Two-stroke oil** is consumed — mixed with fuel (premix) or injected ...
Shrink Wrap vs Indoor Storage: The Honest Trade-offs
... 2. Battery out and maintained. 3. Fuel stabilized and system treated. 4. Interior clean ...
Prop Selection Basics: Pitch, Diameter, and Hitting the RPM Window
... the problem is the engine (compression, fuel delivery, fouled bottom, wrong engine height), not ...
Evinrude/Johnson Two-Stroke No-Spark Diagnosis
... the leads when cranking for tests. Fuel-rich cylinders can fire vapor out the ...
Bilge Pump Setup Done Right
... That paper matters later. **Safety:** bilge water can carry fuel — check before creating sparks ...