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.
18 articles for “cracks”
Gelcoat Crack Repair: From Spider Cracks to Gouges
## First, diagnose the crack Gelcoat is a cosmetic skin over structural laminate. The repair ...
Sterndrive Spring Recommissioning Checklist
## Before it touches water Sterndrives hide winter damage better than outboards — a cracked block ...
Pontoon Boat Inspection: Logs, Leaks, and Pre-Season Checks
... common entries are popped rivets or cracked welds at the nosecone seams, keel abrasion ...
Shrink Wrap vs Indoor Storage: The Honest Trade-offs
... A shrink-wrapped boat with water in the block still cracks. ## Shrink wrap **Pros ...
Sea-Doo Winterization Step by Step
... Freeze damage to an exhaust manifold or a cracked intercooler is a spring heartbreak ...
Yamaha F-Series Four-Stroke Winterization
... self-drain when vertical, so freeze cracks are rarer than with sterndrives — but fuel ...
Evinrude/Johnson Two-Stroke No-Spark Diagnosis
... Inspect the flywheel magnets for cracks and debris. 5. **Coils:** cracked bodies on old ...
MerCruiser Alpha One Bellows Inspection: The Boat-Sinker Check
... When it cracks, the boat takes on water at the mooring and the gimbal ...
Suzuki DF Lower Unit Oil Change and Water Intrusion Signs
... too many times - Shift shaft seal - Cracked case from grounding ## Common mistakes - Filling from ...
MerCruiser Winterization (Raw-Water-Cooled)
... One hard freeze with water in the block cracks it — the most expensive preventable ...
Transom Rot Assessment: Do This Before You Hang an Engine
... mount for movement or oil-canning. Cracks radiating from mount bolts are a red ...
Volvo Penta Sterndrive Annual Service Essentials
... a light and mirror, looking for cracked folds and rust weep. 4. **Props (Duoprop ...
MerCruiser Raw Water Impeller: Alpha vs Bravo Differences
... gimbal bearing, wasted u-joints, and cracked bellows discovered mid-job needs a re ...
Sterndrive Gimbal Bearing and U-Joint Noise Diagnosis
... the gimbal housing itself is corroded, cracked, or the swim-platform-installed drive shows ...
Trailer Surge Brakes: Inspection and Service
... 3. **Lines:** rusted steel lines along the frame, cracked rubber hoses at the axles ...
Spring Recommissioning Checklist: Outboard Boats
... the fuel line end-to-end: cracked primer bulbs, hard hoses, weeping fittings. Ethanol ...
Bilge Pump Setup Done Right
... and mud; check the hose for cracks at the clamps. - Manual switch and panel ...
Hydraulic vs Cable Steering: Diagnosis and Service
... cannot be made reliable dockside — a cracked cylinder, a helm with stripped internals and ...