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One of my lines:I was going to a friends for thanksgiving diner and it was sure cold. 50W oil 25deg F., I fired up the combat with a handle bar mounted oil pressure gauge off the the end of the LH rocker line. Gauge full scale was 11 bar (150psi) wham.... pegged the gauge full scale. did not pop the line off, did not invert the crank seal. Idled it further and low reved till warm enough to ride. Last ride of that year!!!I will concede that the pressure rating are very temperature dependent, since the "plastic" lines are black nylon 11 anything else would be vastly inferior. I never found anything close enough to even bother a try. Black seems to have the best ratings over clear or colors. I've tested several manufacturers to find the best one. Even during this test of black ones, the spread was more than I would have expected.I have only seen one commando ever loose the oil line. Once we repiped it, it never failed again and that was 10-15 years ago. I only use oem (norton factory) fittings. A repiping is under $3. 1ea 9.5-10" piece and 1ea 24.5" piece all put together in the same plane so you don't have to twist the fitting. Done many for club members.Hold the line in a flareing toolpound in the fitting cold..use a plastic mallet--- critical do no use any heat ---make sure they are all in the same plane before pounding in.
One of my lines:
I was going to a friends for thanksgiving diner and it was sure cold. 50W oil 25deg F., I fired up the combat with a handle bar mounted oil pressure gauge off the the end of the LH rocker line. Gauge full scale was 11 bar (150psi) wham.... pegged the gauge full scale. did not pop the line off, did not invert the crank seal. Idled it further and low reved till warm enough to ride. Last ride of that year!!!
I will concede that the pressure rating are very temperature dependent, since the "plastic" lines are black nylon 11 anything else would be vastly inferior. I never found anything close enough to even bother a try. Black seems to have the best ratings over clear or colors. I've tested several manufacturers to find the best one. Even during this test of black ones, the spread was more than I would have expected.
I have only seen one commando ever loose the oil line. Once we repiped it, it never failed again and that was 10-15 years ago. I only use oem (norton factory) fittings. A repiping is under $3. 1ea 9.5-10" piece and 1ea 24.5" piece all put together in the same plane so you don't have to twist the fitting. Done many for club members.
Hold the line in a flareing tool
pound in the fitting cold..use a plastic mallet--- critical do no use any heat ---make sure they are all in the same plane before pounding in.
