Golf Cart Tune-Up Kit Basics for E-Z-GO Gas Carts
By GOLFCARTSTUFF.COM™ | Golf Cart Wheels, Tires, Lights | Published: 2026-10-16
Category: How-to Guides
A step-by-step E-Z-GO gas golf cart tune-up using a 295/350CC kit: spark plugs, filters, belts, and the checkpoints that prevent hard starts.
Quick answer
On an E-Z-GO 295/350CC gas cart from 2006 or newer, a tune-up means replacing the spark plugs, air filter, oil filter, fuel filter, and both belts as one job, not one part at a time. Use a kit that lists every one of those pieces so you are not guessing part numbers mid-repair. The whole process is a driveway job with hand tools; the only step that trips people up is forgetting to clamp the fuel line before pulling the filter.
What a 295/350CC tune-up actually covers
The 295/350CC engine family used in E-Z-GO gas carts from 2006 onward has a short list of wear items that decide whether the cart starts on the first press or cranks until you smell fuel. Those items are the spark plugs, air filter, oil filter, fuel filter, generator belt, and drive belt. They wear at different rates, but they interact: a clogged air filter richens the mixture, a tired drive belt slips under load, and a restricted fuel filter starves the engine exactly when you ask for power.
That is why a kit approach works better than buying parts individually. A kit like the Golf Cart Deluxe Tune Up Kit for EZGO 295/350CC 4-Cycle Gas Golf Carts 2006+ bundles the spark plugs, air filter, oil filter, O-ring, fuel filter, generator belt, and drive belt under one part number. You still need to confirm your engine is a 295 or 350CC four-cycle, but once you do, you are not cross-referencing seven different numbers.
Before you start: a two-minute safety check
Park on level ground, set the parking brake, and disconnect the negative battery cable. Gas carts hold enough fuel to make an open fuel line a real hazard, so work outside or with the garage door open, and keep a rag under the fuel filter when you loosen it. Let the engine cool completely; the exhaust and cylinder head stay hot longer than you expect.
Have a small clamp or a golf tee ready to plug the fuel line. This is the single most common mistake in an E-Z-GO fuel filter change: pulling the old filter and watching fuel drain onto the engine block. Clamp first, then remove.
Tune-up steps in order
- 1. Replace the spark plugs: Pull the plug boot, remove the old plug with a spark plug socket, gap the new SP-BPR4ES plug to spec, and thread it in by hand before tightening. Mistake to avoid: over-torquing an aluminum head, which strips threads. Checkpoint: the boot should snap back on firmly. Do this first while the engine is cold.
- 2. Service the air filter: Open the air box, remove the old element, and wipe the housing clean before dropping in the new filter. Mistake to avoid: leaving the old gasket or debris in the housing, which gets pulled straight into the engine. Checkpoint: the box seals flat with no gaps. A dirty air filter is a leading cause of rich running and hard starts.
- 3. Change the oil filter and O-ring: Drain the oil, remove the filter, and fit the new O-ring from the kit before installing the replacement filter. Mistake to avoid: reusing the old O-ring or installing it dry. Checkpoint: no seep at the filter base after you refill and run the engine. Refill with the oil grade your E-Z-GO manual specifies.
- 4. Swap the fuel filter: Clamp the fuel line, note the flow direction arrow on the old filter, and install the new one the same way. Mistake to avoid: installing the filter backward, which starves the engine. Checkpoint: the clamp is off and the line is dry after a short run. This is the step that prevents most hard-start complaints.
- 5. Replace both belts: Fit the new generator belt and drive belt, checking tension and alignment on each pulley. Mistake to avoid: mixing up the two belts or leaving one loose. Checkpoint: no squeal at startup and no slip under load. Belts are cheap; a tow is not.
- 6. Run and road-test: Reconnect the battery, start the cart, and let it idle for a minute, then drive a short loop with a load. Mistake to avoid: skipping the test drive and assuming the job is done. Checkpoint: clean acceleration, steady idle, no fuel smell. If it still hard-starts, recheck the fuel filter direction and plug gap before replacing anything else.
Parts that fit this job
- Golf Cart Deluxe Tune Up Kit for EZGO 295/350CC 4-Cycle Gas Golf Carts 2006+: Fits E-Z-GO 4-cycle gas golf carts 295/350CC 2006 and newer, and includes spark plugs (SP-BPR4ES), air filter, oil filter, O-ring, fuel filter, generator belt, and drive belt. One purchase covers every wear item in the tune-up, so you are not ordering a missing filter after the cart is already apart.
- EZGO Marathon 4 Cycle Gas (Years 1991-1994) Fuel Pump: Fuel pump for E-Z-GO Marathon 4-cycle gas carts, years 1991-1994, OEM part numbers 25683G1, 5147, and FP-006. If your cart is an older Marathon and a tune-up does not cure a hard start, the pump is the next likely culprit, but it will not fit the 2006+ 295/350CC engine.
- MOAB Black Aluminum Luggage Rack (Club Car / EZGO / Yamaha): MOAB black aluminum luggage rack made from heavy-duty aluminum, mounts to the cart roof, and uses model-specific brackets for Club Car, EZGO, and Yamaha. A roof rack is not a tune-up part, but it is a common add-on during the same service visit, and the model-specific bracket means you must pick the right cart brand at checkout.
