Yamaha Quietech Engine Heat

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Old 06-03-2024, 07:47 PM
GreggC69 GreggC69 is offline
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Default Yamaha Quietech Engine Heat

I noticed tonight that the engine compartment on our 2020 Quietch seemed to be hotter than I have noticed before. We have only been here a short time and new to carting so perhaps I have just not noticed?? The cover between the motor and the shifter at the back or your calves felt hot to the touch. Raised the seats and there seemed to be a lot of heat. Handle on dipstick very hot to the touch. Oil level looks fine and oil looks clean. Is this heat normal?
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Old 06-03-2024, 07:57 PM
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I would say yes. 2020 quiet tech owner with 4500 miles.
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Old 06-03-2024, 08:58 PM
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It will seem hotter this time of year, that asphalt heat is wicked.

2019 Quiet Tech w/ 21,000 miles.
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Old 06-03-2024, 09:05 PM
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Originally Posted by GreggC69 View Post
I noticed tonight that the engine compartment on our 2020 Quietch seemed to be hotter than I have noticed before. We have only been here a short time and new to carting so perhaps I have just not noticed?? The cover between the motor and the shifter at the back or your calves felt hot to the touch. Raised the seats and there seemed to be a lot of heat. Handle on dipstick very hot to the touch. Oil level looks fine and oil looks clean. Is this heat normal?
The heat is normal, especially this time of the year. All the extra insulation, designed to make the cart quieter, also has the effect of holding in the heat. The engine compartment of our quiet tech is always significantly hotter than the one in our 2014 Yamaha EFI (pre quiet tech technology). Not sure if the trade off is worth it, but I love the independent rear suspension on the QT.
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Old 06-04-2024, 04:43 AM
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I also noticed this. I'm only part time down there but my new 2023 Quiet Tech has a lot of heat that comes up from the seat. I'm planning on removing the shroud under it and see how much louder it is. When it's 95 out, I don't want all that heat coming up onto me.
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Old 06-04-2024, 05:20 AM
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I also noticed this. I'm only part time down there but my new 2023 Quiet Tech has a lot of heat that comes up from the seat. I'm planning on removing the shroud under it and see how much louder it is. When it's 95 out, I don't want all that heat coming up onto me.
Some folks get a pool noodle and cut it to length, to fit it between the seats. This eliminates that gap.
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Old 06-04-2024, 06:22 AM
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Nice during cold weather.
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Old 06-04-2024, 08:16 AM
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Originally Posted by frayedends View Post
I also noticed this. I'm only part time down there but my new 2023 Quiet Tech has a lot of heat that comes up from the seat. I'm planning on removing the shroud under it and see how much louder it is. When it's 95 out, I don't want all that heat coming up onto me.
I removed the cover underneath. Probably is a little louder but can't be worse than pre quiet tech models. With the shrouds and insulation, there really isn't anywhere for the heat to go. Can't be good for the engine long term.

Removing the shroud and adding a Fumoto F109SX M12-1.5 Sx Series Drain Valve makes changing the oil very easy.
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Old 06-04-2024, 08:19 AM
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Originally Posted by tophcfa View Post
The heat is normal, especially this time of the year. All the extra insulation, designed to make the cart quieter, also has the effect of holding in the heat. The engine compartment of our quiet tech is always significantly hotter than the one in our 2014 Yamaha EFI (pre quiet tech technology).
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Old 06-04-2024, 10:39 AM
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Some people install a vent in the back where the golf clubs sit.
Similar to the vents people install on their garage.

I'm surprised it doesn't come with a vent from the factory especially considering how much they charge for new golf carts.
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Old 06-04-2024, 10:44 AM
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Some people install a vent in the back where the golf clubs sit.
Similar to the vents people install on their garage.

I'm surprised it doesn't come with a vent from the factory especially considering how much they charge for new golf carts.
Now that is an idea..
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Old 06-05-2024, 04:51 AM
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Originally Posted by GreggC69 View Post
I noticed tonight that the engine compartment on our 2020 Quietch seemed to be hotter than I have noticed before. We have only been here a short time and new to carting so perhaps I have just not noticed?? The cover between the motor and the shifter at the back or your calves felt hot to the touch. Raised the seats and there seemed to be a lot of heat. Handle on dipstick very hot to the touch. Oil level looks fine and oil looks clean. Is this heat normal?
This time of year with the really high temps ours gets hot also. We always prop the seat up when we stop to help it cool off.
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Old 06-05-2024, 05:45 AM
Mrmean58 Mrmean58 is offline
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Quote:
Originally Posted by GreggC69 View Post
I noticed tonight that the engine compartment on our 2020 Quietch seemed to be hotter than I have noticed before. We have only been here a short time and new to carting so perhaps I have just not noticed?? The cover between the motor and the shifter at the back or your calves felt hot to the touch. Raised the seats and there seemed to be a lot of heat. Handle on dipstick very hot to the touch. Oil level looks fine and oil looks clean. Is this heat normal?
I've owned a 2018 and took care of the heat issue by removing the spark arrester in the exhaust. That reduced the heat build up by allowing the exhaust gases to flow out easier and greatly improved the performance.
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Old 06-05-2024, 05:45 AM
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I also prop the seat up when I get home to dissipate the heat. Especially when I’m going somewhere else later.
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Old 06-05-2024, 06:09 AM
Southwest737 Southwest737 is offline
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Another reason to go electric.
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