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Field write-ups from real jobs - what broke, what fixed it, torque specs and part numbers included. Ask it a question; specs answer inline.

MerCruiser (3)Sea-Doo (2)Yamaha (2)Catalina (1)Evinrude-Johnson (1)Honda (1)Mercury (1)Sea Ray (1)Suzuki (1)Volvo Penta (1)

11 articles for “ignition”

Evinrude/Johnson Two-Stroke No-Spark Diagnosis

... wire under the flywheel — not the ignition components. This one step solves a huge ...

Evinrude-Johnsontwo-stroke outboard
2026-07-05 · 1 views

Outboard Compression Testing: How to Do It and Read the Results

... remove the lanyard, disable ignition per the service manual (ground the plug leads or ...

outboard
2026-07-05 · 2 views

Suzuki DF Lower Unit Oil Change and Water Intrusion Signs

... Engine vertical, prop area clear, ignition key removed. Put a catch pan under the ...

SuzukiDF-seriesfour-stroke outboard
2026-07-05 · 2 views

The On-Water Diagnosis Kit: What's Actually in the Bag

... Multimeter with DVA/peak-reading adapter (ignition work on older two-strokes) - Adjustable spark ...

2026-07-05 · 1 views

Exhaust Manifold and Riser Inspection on Marine V8s

... pull all plugs, crank to clear (**plugs out, ignition and fuel disabled**), bore-scope ...

inboard/sterndrive V8
2026-07-05 · 1 views

Yamaha WaveRunner No-Start Diagnosis

## Sort the complaint first "Won't start" means three different jobs: **no crank**, **cranks ...

YamahaWaveRunnerPWC
2026-07-05 · 2 views

Honda BF-Series Carburetor Cleaning

... in a ventilated space with no ignition sources. Have rags and a catch pan ...

HondaBF-seriesfour-stroke outboard
2026-07-05 · 1 views

Ethanol Fuel Problems in Boats: What It Does and How to Treat It

... Pump the tank dry (into proper containers — ventilate, no ignition sources, bond containers to ...

2026-07-05 · 2 views

Submerged PWC / Water Ingestion: The First 48 Hours Matter

... Crank with plugs out (fuel and ignition disabled) in short bursts to purge remaining ...

PWC
2026-07-05 · 1 views

Reading Marine Spark Plugs: A Diagnosis in Your Hand

... Safety:** remove all plugs only with ignition disabled; on a hot engine let it ...

2026-07-05 · 2 views

Outboard Fuel Pump Diagnosis: Lift Pumps, VSTs, and Primer Bulbs

... Fuel work means ventilation, no ignition sources, rags contained, and reconnecting every clamp before ...

outboard
2026-07-05 · 2 views
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