Is anyone else dealing with their Yamaha golf cart spewing gas out of the carburetor? It’s ruining my golfing days. Any tips or fixes would be wonderful.
Response
Yes I had the same issue a while back. Adjusting my valve so it wasn’t stuck stopped the gas blowing of of my G22 golf cart.
Solutions that Worked for Users
| Solution | Users Who Found Success | Approx. Cost (USD) | Approx. Time Needed (Minutes) |
|---|---|---|---|
| Stuck Valve Adjustment | 5 | 0-30 | 30-60 |
| Cleaning the Carburetor | 3 | 10-50 | 30-60 |
| Replacing the Pushrod | 2 | 20-100 | 60-120 |
| Checking for Broken Pushrod | 1 | 0-20 | 30-60 |
Symptoms
- Gas blowing out of the carburetor.
- Difficulty in starting the golf cart.
- Unusual noise from the engine area.
Possible Causes
- Stuck or improperly adjusted valves.
- Dirty or malfunctioning carburetor.
- Broken or misaligned pushrod.
Solutions that Worked
- Stuck Valve Adjustment
- What I Did: Adjusted the intake and exhaust valves to .004 when the engine was cold.
- Outcome: The cart started up fine, and the issue of gas blowing out was resolved.
- Personal Experience: Initially struggled with the valve adjustment, but after ensuring both rockers were moving correctly, the problem was fixed.
- Estimated Cost: $0-30 (if done personally)
- Time Needed: 30-60 minutes
- Steps:
- Ensure the engine is cold before starting.
- Locate the valve cover and remove it to access the valves.
- Use a feeler gauge to measure the gap between the rocker arm and the valve stem.
- Adjust the nut on the rocker arm to achieve the correct gap (.004″).
- Rotate the engine manually to ensure the valves open and close properly.
- Recheck the gap after a few rotations to ensure accuracy.
- Reassemble the valve cover.
- Expert Tip: Always double-check the valve clearance after a few engine cycles to ensure they remain consistent.
- Cleaning the Carburetor
- What I Did: Cleaned the carburetor thoroughly while waiting for a new gasket.
- Outcome: Improved performance and resolved the issue of gas blowing out.
- Personal Experience: Cleaning the carburetor was a bit challenging but worth the effort.
- Estimated Cost: $10-50 (including cleaning supplies)
- Time Needed: 30-60 minutes
- Steps:
- Remove the carburetor from the engine.
- Disassemble the carburetor, taking note of the placement of each part.
- Clean each part using carburetor cleaner and a soft brush.
- Pay special attention to the jets and passageways.
- Allow the parts to dry completely before reassembling.
- Replace any worn gaskets or seals.
- Reinstall the carburetor and adjust the settings as needed.
- Expert Tip: Use compressed air to blow through the jets and passageways for thorough cleaning.
- Replacing the Pushrod
- What I Did: Replaced the broken pushrod and made necessary adjustments.
- Outcome: The cart’s performance improved significantly.
- Personal Experience: Finding the right pushrod was key to solving the issue.
- Estimated Cost: $20-100 (depending on the pushrod quality)
- Time Needed: 60-120 minutes
- Steps:
- Identify the broken pushrod by inspecting each one.
- Remove the valve cover and rocker arm assembly to access the pushrods.
- Carefully remove the broken pushrod.
- Install the new pushrod, ensuring it’s seated correctly.
- Reassemble the rocker arm and valve cover.
- Adjust the valve clearance as needed.
- Expert Tip: Ensure the new pushrod is the exact length as the original to maintain proper valve timing.
- Checking for Broken Pushrod
- What I Did: Inspected the pushrods for any breakage or misalignment.
- Outcome: Identified and fixed the misaligned pushrod, resolving the issue.
- Personal Experience: A thorough inspection was crucial to find the root cause.
- Estimated Cost: $0-20 (if no replacement is needed)
- Time Needed: 30-60 minutes
- Steps:
- Remove the valve cover to access the pushrods.
- Inspect each pushrod for straightness and signs of wear.
- Check the alignment of the pushrods in their respective positions.
- Replace or realign any damaged or misaligned pushrods.
- Reassemble and adjust valve clearance as necessary.
- Expert Tip: Use a straight edge or ruler to check for any bends in the pushrods.
Golf Cart Models Where This Worked
- Yamaha G2
- Club Car 1992 with Kawasaki 286 cc FE290 9 horsepower engine
- 1987 Yamaha G2
Extra tips
- Regular maintenance of the engine, especially the valve train, can prevent many of these issues.
- Always refer to the specific model’s service manual for detailed instructions and specifications.
- When adjusting valves or working on the carburetor, cleanliness is key. Ensure your work area is free of dirt and debris.
- If you’re not confident in performing these repairs, seeking professional help is advisable to avoid further damage.