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Question: What do you do when FoBo
- Thread starter vdoman
- Start date
Chupaca
New member
As I see it...
just as you did before FOBO....ryde on. Too much information is not always a good thing unless you can adjust the pressure while ryding you only worry about going lower which it will do in cold weather. I don't have it I just set my pressure before a long ryde and ryde....:thumbup:
just as you did before FOBO....ryde on. Too much information is not always a good thing unless you can adjust the pressure while ryding you only worry about going lower which it will do in cold weather. I don't have it I just set my pressure before a long ryde and ryde....:thumbup:
oldguyinTX
New member
I don't use FOBO, don't trust it. I'm old school, but in in MHO, it does not take the place of checking your tire pressure (as well as a general walk around) yourself before every ryde. I use JT's dual hookup for the front tires - works GREAT -then do the rear tire struggle. I fortunately have an air compressor in my garage, so if I need air, I have it. Not to hijack, but I check my oil at the end of each ryde as well (998's use oil). Kinda anal, but it gives me peace of mind.
Assuming that your FOBO TPMS is working properly & the 'high pressure/high temp' levels are set appropriately, the following might help....
The temperature of the air inside your tires is very much dependent on the flexing of the tire sidewalls & tread as you ride, as well as things like the ambient temps, road surface, tire construction, et al. High starting pressures mean the tire won't flex much at all, giving you a harsher ride as a result, but also meaning the tire compound temp & that of the air inside it & therefore the pressure increases less (giving you less traction to go with the rough ride!) - while low starting pressures means the tire flexes too much, giving you a soft & spongy ride & meaning the tire compound & air temp increases a lot, pushing the pressure up & risking tire delamination &/or explosive failure!!
So Tire pressures increasing by more than about 4-6psi from their cold start pressures suggest that your starting pressures were too LOW for the conditions, the tire is flexing too much; & the tire sidewalls, tread compound, & the air inside the tire have all gotten too hot.... Often, this is the first indication you'll get that a tire has a slow leak & is heading for failure!! Sometimes, just ADDING 1-2 psi of 'cold' shop air will see your 'hot' running tire temps come down fairly quickly as you ride on, but that can depend on how all the other variables involved impact on the pressure/temperature increase.
What pressures do you normally set your tires to, & what are the ambient temps that you are riding in??
The temperature of the air inside your tires is very much dependent on the flexing of the tire sidewalls & tread as you ride, as well as things like the ambient temps, road surface, tire construction, et al. High starting pressures mean the tire won't flex much at all, giving you a harsher ride as a result, but also meaning the tire compound temp & that of the air inside it & therefore the pressure increases less (giving you less traction to go with the rough ride!) - while low starting pressures means the tire flexes too much, giving you a soft & spongy ride & meaning the tire compound & air temp increases a lot, pushing the pressure up & risking tire delamination &/or explosive failure!!
So Tire pressures increasing by more than about 4-6psi from their cold start pressures suggest that your starting pressures were too LOW for the conditions, the tire is flexing too much; & the tire sidewalls, tread compound, & the air inside the tire have all gotten too hot.... Often, this is the first indication you'll get that a tire has a slow leak & is heading for failure!! Sometimes, just ADDING 1-2 psi of 'cold' shop air will see your 'hot' running tire temps come down fairly quickly as you ride on, but that can depend on how all the other variables involved impact on the pressure/temperature increase.
What pressures do you normally set your tires to, & what are the ambient temps that you are riding in??
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Use Nitrogen in your tyres
Compressed air consists of 79% Nitrogen. Nitrogen doesn't heat as much when placed under pressure when compared to atmospheric air. Nitrogen is used in air craft tyres and fire truck tyres because of the reduced risk of fire.
Use nitrogen because nitrogen makes the tyre run cooler and last longer and the pressure will stay more consistent and you will get better fuel economy.:yes::clap:
Compressed air consists of 79% Nitrogen. Nitrogen doesn't heat as much when placed under pressure when compared to atmospheric air. Nitrogen is used in air craft tyres and fire truck tyres because of the reduced risk of fire.
Use nitrogen because nitrogen makes the tyre run cooler and last longer and the pressure will stay more consistent and you will get better fuel economy.:yes::clap:
SPECTACUALR SPIDERMAN
New member
air is 78.1% nitrogen & the reason nitrogen doesn't expand as much under heat is the lack of moisture. i agree run nitrogen
if you have a problem with pressure increasing WHILE riding.
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