Engine temp question
Seasoned HDF Member
Joined: Sep 2017
Posts: 12,182
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From: England
...so personally I've had good results with the FP3.
For the record I have my oil temperature set to C and it shows around 107 on a hot day.
Last edited by Andy from Sandy; Jun 18, 2018 at 03:29 AM.
Road Master
Joined: Feb 2018
Posts: 904
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From: west coast
Rather than adding an oil cooler I'd run synthetic, it will handle much higher temps without breakdown...have been running Mobil 1 V twin 20W50 in my Norton Commando for about 8 years and it has been trouble free, and will switch to it for my new to me Sportster when I change the oil. Here is some info from Mobil's FAQ
(I have no connection to Mobil)
https://mobiloil.com/en/faq/product-...View=20&Page=1
(I have no connection to Mobil)
https://mobiloil.com/en/faq/product-...View=20&Page=1
How is Mobil 1 V-Twin 20W-50 motorcycle oil different from Mobil 1 for passenger cars?
Mobil 1 V-Twin 20W-50 fully synthetic motorcycle oil is designed for air-cooled, large-displacement bikes. Because of their design, these engines can generate very high localized oil temperatures and high overall bulk-oil temperatures. As you know, a typical air-cooled V-twin's rear cylinder gets a lot hotter than the front cylinder it's a matter of airflow. When it's hot out and you're stuck in traffic, the oil temperature in your bike climbs rapidly. Above about 250 degrees Fahrenheit, conventional motor oil is going to break down. Mobil 1 V-Twin 20W-50 fully synthetic motorcycle oil is good to above 300 degrees Fahrenheit. Like Mobil 1 Racing 4T 10W-40, Mobil 1 V-Twin motorcycle oil has high levels of phosphorus/zinc and the same high-temperature detergent technology for superior wear protection and engine cleanliness, even at elevated oil temperatures. With Mobil 1 V-Twin motorcycle oil, you can go the full length of the manufacturer's recommended oil change intervals with ease.Last edited by 08xl1200r; Jun 18, 2018 at 11:02 AM.
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Seasoned HDF Member
Joined: Aug 2017
Posts: 7,524
Likes: 12,117
From: Indianapolis
Rather than adding an oil cooler I'd run synthetic, it will handle much higher temps without breakdown...have been running Mobil 1 V twin 20W50 in my Norton Commando for about 8 years and it has been trouble free, and will switch to it for my new to me Sportster when I change the oil. Here is some info from Mobil's FAQ
(I have no connection to Mobil)
https://mobiloil.com/en/faq/product-...View=20&Page=1
(I have no connection to Mobil)
https://mobiloil.com/en/faq/product-...View=20&Page=1
How is Mobil 1 V-Twin 20W-50 motorcycle oil different from Mobil 1 for passenger cars?
Mobil 1 V-Twin 20W-50 fully synthetic motorcycle oil is designed for air-cooled, large-displacement bikes. Because of their design, these engines can generate very high localized oil temperatures and high overall bulk-oil temperatures. As you know, a typical air-cooled V-twin's rear cylinder gets a lot hotter than the front cylinder it's a matter of airflow. When it's hot out and you're stuck in traffic, the oil temperature in your bike climbs rapidly. Above about 250 degrees Fahrenheit, conventional motor oil is going to break down. Mobil 1 V-Twin 20W-50 fully synthetic motorcycle oil is good to above 300 degrees Fahrenheit. Like Mobil 1 Racing 4T 10W-40, Mobil 1 V-Twin motorcycle oil has high levels of phosphorus/zinc and the same high-temperature detergent technology for superior wear protection and engine cleanliness, even at elevated oil temperatures. With Mobil 1 V-Twin motorcycle oil, you can go the full length of the manufacturer's recommended oil change intervals with ease.
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