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Gas Yamaha Gas Yamaha Golf Cars; G1 through "The Drive" and U-Max Utility Vehicles |
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08-05-2023, 06:38 PM | #1 |
Gone Wild
Join Date: Jul 2015
Location: Tucson, AZ
Posts: 160
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When to use BPR4ES in G29
The shop manual lists the NGK BPR4ES as an alternate plug but gives no guidance on when to use. BPR2ES is, of course, the standard plug. I run my cart in the neighborhood, sometimes for 10-15 minutes at a time but very seldom as short cycled as it would be on a course. I'm thinking that maybe the 2ES is a bit too hot of a plug for that type of use but then again, no guidance from the shop manual and the owners manual only lists the 2ES as the recommended plug.
I'll probably try a BPR4ES just to see if it fouls or causes driveability problems but just wondering what the expert opinion is from this cadre of experts. Thanks as always. |
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08-05-2023, 06:58 PM | #2 |
Nincompoop village idiot
Join Date: Apr 2018
Location: Michigan
Posts: 9,682
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Re: When to use BPR4ES in G29
Higher altitudes with less air would benefit from a colder plug
Also I’d think the opposite, lots of short trips would be better with a hotter plug to burn everything out better. A colder plug would be better for someone who does linger extended driving with a cart |