pardon me again ,whilst done the rear isolastics with much help from yourselves!! cleaning the oil tank while removed ,i noticed that some one (????)had closed the oil return in the tank which seems rather odd ??it looks crimped with a pair of pliers to a small slit the chain lube line is blanked i understand having a very messy bonnie rear wheel while trying to get the adjustment right 
but is this a mod if so it baffles me any thoughts oh wise ones,thxs steve
Blocking off the chain oil…
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Previously john_holmes wro…
Previously john_holmes wrote:
Blocking off the chain oiler is a common mod, I do it as its hard to get the correct flow and spray cans are easier.
On 3 oil tanks, 72 original, 74 original a spare bought in the 80's the oil return pipe is crimped on the end and this is welded to the inside of the oil cap tower, there are 2 holes drilled (3mm or so in size) in the side of the tube about 1/2" down from the crimp. Is yours still welded to the inside of the oil cap tower or free, it could have broken loose and you see a fix by a previous owner or an earlier version. A pic would help.
yes i understand the chain oiler ,but was worried about the restriction that the crimp may have had,but after reading your info(thx)i can blow with a piece if rubber hose and with a finger jammed down the cap tower feel the air and restrict it with my finger so i assume that would be the hole you say is there ,the pipe is brazed along the inside of the oil filler tower thank you thought i had a problem would send pic but not sure how on this site rgds steve c
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Blocking off the chain oiler is a common mod, I do it as its hard to get the correct flow and spray cans are easier.
On 3 oil tanks, 72 original, 74 original a spare bought in the 80's the oil return pipe is crimped on the end and this is welded to the inside of the oil cap tower, there are 2 holes drilled (3mm or so in size) in the side of the tube about 1/2" down from the crimp. Is yours still welded to the inside of the oil cap tower or free, it could have broken loose and you see a fix by a previous owner or an earlier version. A pic would help.