Where do I buy repair parts?
South Marine — open the Service & Parts Center and stay on the Mechanical tab until every flagged part is covered.

Master Flip a Boat engine repair: open Mechanic Mode, prioritize engine, carburetor, and propeller parts, shop South Marine once, then confirm 100% condition.
Mechanic Mode outboard strip-and-rebuild through 100% condition.
Flip a Boat engine repair is the heart of every profitable flip: open Mechanic Mode, strip every flagged system, buy only the parts the boat asks for, and watch the condition bar climb toward a sellable 100%. Sale value tracks restored condition — not how expensive your paint job looks.
This guide covers how Mechanic Mode works, the inspection order that saves Cash, how to prioritize engine / carburetor / propeller work, how to shop South Marine without wasted trips, and how to confirm a repair actually counts before you sell. Pair it with the complete flip loop when you want the full Buy→Sell path. Verified July 24, 2026.
| Fact | Detail |
|---|---|
| Repair mode | Mechanic Mode — Manage → Edit Boat → Mechanic |
| Parts source | South Marine · Mechanical tab |
| Priority systems | Engine bay · carburetor · propeller · plugs · pumps · filters |
| Cost scaling | Boat size, starting condition, and outboard count |
| Progress check | Condition bar in Mechanic Mode + Boat Manager |
Mechanic Mode is the workshop view where you diagnose and fix a boat one interaction at a time. If you are not in this mode, you are not doing Flip a Boat engine repair — you are just looking at a wreck.

The top bar shows Mechanic Mode and the current condition percentage. Right-side actions like Reset motor and Return all parts help when a piece snaps wrong or you need a clean bench. Exit with Return only after you have scanned for leftover rusty parts — leaving early is how plugs get missed.
On PC, F installs or snaps a part once it is aligned. Z helps unload spark plugs in bulk on some motors. Leave a little gap between the motor and the anti-ventilation plate while you work so the two do not lock together before the bay is ready.
Buying parts before a full walk-around is the fastest way to waste a South Marine trip. Inspect first, shop second.
| # | Check | Why it matters |
|---|---|---|
| 1 | Outboard / engine bay | Most condition value lives here |
| 2 | Carburetor & fuel path | Small parts, easy to forget, blocks full restore |
| 3 | Propeller & lower unit | Water pump + prop often travel together |
| 4 | Spark plugs | Count varies — under-buying stalls the bar |
| 5 | Filters, oil tank, covers | Finish the bay before cosmetics |
| 6 | Helm / gauges / hull (if flagged) | Do after the motor runs clean |
Anything Mechanic Mode highlights as rusty or missing is necessary. Accessories, speakers, and life rings are not. Spend Cash on necessary parts until the condition bar moves; optional extras wait until you decide sell-versus-keep in the complete flip guide.
Different outboards use different part sets. Mentally tag the motor name or type before you leave the plot so you select the matching family at South Marine instead of guessing from icons alone.
When players search flip a boat engine repair, they usually mean the outboard bay — engine block work, carburetor, and propeller / lower unit. Fix these before you touch paint.
| System | Typical pieces | Priority |
|---|---|---|
| Engine / cowling | Cover, plates, internal bay pieces | Do first — unlocks the rest of the bay |
| Carburetor | Carb + related fuel fittings | High — small but required |
| Propeller / lower unit | Prop, water pump, lower assembly | High — often stripped as a set |
| Ignition | Spark plugs (×2 or ×3) | High — easy to under-buy |
| Fluids & filters | Oil tank, fuel filter, air box | Medium — finish after core bay |
| Cosmetics | Paint, materials, accessories | Last — after condition is nearly full |
Take the cowling off, pull every rusty piece onto the workbench, and only then start installing clean replacements. Rebuilding on top of a still-rusted carburetor or prop is how players "finish" a motor that never reaches 100%.
Lower-unit work usually means the propeller and water pump come off as a pair. Buy both when either is flagged so you are not driving back to South Marine for a single pump impeller after the bay otherwise looks done.
Plugs are small, easy to miss in the bay, and often need more than one. If condition stalls in the high double digits with no obvious rusty cover left, count the plug holes and compare against what you bought.
South Marine is the Service & Parts Center for every Flip a Boat engine repair. The counter splits into Mechanical (required) and Customization (optional).

| Tab | Use for | When to shop it |
|---|---|---|
| Mechanical | Engine, carb, prop, plugs, pumps, filters | Every flip, before selling |
| Customization | Paint, materials, accessories | After repairs — see parts & customization |
Buy every Mechanical-tab part your inspection flagged in a single visit. Select the matching motor family when the store requires it, then purchase each component the bay asked for — including the correct spark plug count. Extra round trips are time you are not spending on the next flip.
Bigger hulls, worse starting condition, and more outboards all raise the parts bill. A quad-outboard project can mean buying four of each small part. If the estimate would empty your repair reserve, renegotiate the project at the Junkyard next time — do not start a bay you cannot finish.
A repair only counts when the condition bar agrees. Visual "looks done" is not enough.

After each cluster of installs — plugs, prop set, carburetor — glance at the percentage. Early progress often jumps in chunks; late progress stalls when a single tiny part is still missing. If the bar sits stuck, walk the bay and the bench for leftover rusty pieces before you assume a bug.
Return from Mechanic Mode, open the Boat Manager, and confirm the boat row shows fully restored condition before you tap Sell. The complete flip checklist is useful here if you are also deciding whether to keep the boat.
Endgame hulls with twin, triple, or quad outboards are the same Mechanic Mode loop repeated per motor — not a different system.
Strip and rebuild a single outboard to a clean state before jumping to the next. Mixing half-finished motors makes it easy to lose track of which prop or plug set still needs work, and the condition bar only tells you the boat total — not which engine is behind.
If the boat has four outboards of the same family, expect to buy four covers, four props, four pump sets, and the matching plug count × four. Shop that list once. Mid-repair South Marine runs on a quad boat are the longest Cash-and-time drains in the game.
On large projects, mechanical work alone can eat your session. Get every outboard clear and the condition bar full before you open Customization — paint on a 40% boat is just expensive camouflage.
South Marine — open the Service & Parts Center and stay on the Mechanical tab until every flagged part is covered.
Engine bay, carburetor, propeller / lower unit, then plugs and filters. Leave paint and accessories for last.
Yes — bigger boats, worse condition, and more outboards all raise the parts bill.
Usually a missed spark plug, filter, or rusty piece still on the motor. Walk the bay again, then recheck Boat Manager.
Always repair first. See parts & customization for when paint is worth the Cash.
Repair is stage 3 of Buy → Haul → Repair → Customize → Sell. Use the complete flip guide for the stages around it.
Matched by build plan, shared topics, and guide progression — not random related links.