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#713442 - 11/01/17 1:53 am Oil tank, oil pipes and breather pipes  
Joined: Oct 2007
Posts: 188
Wally Balden Online content
BritBike Forum member
Wally Balden  Online Content
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Joined: Oct 2007
Posts: 188
St. Louis, MO
I have a 1970 TR6C and have questions about the oil tank. I have the two lines going to the oil pump taken care of, as well as the scavenger to the rocker boxes. However, on the parts diagram they show other lines that I am not sure where they go or where they are routed.

I am referring to #36, #18, #43, #42 #39.

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#713444 - 11/01/17 3:36 am Re: Oil tank, oil pipes and breather pipes [Re: Wally Balden]  
Joined: Jun 2002
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Stuart Online content
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Stuart  Online Content
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Joined: Jun 2002
Posts: 9,297
Scotland
Hi Wally,

Originally Posted by Wally Balden
I have a 1970 TR6C and have questions about the oil tank.
on the parts diagram they show other lines that I am not sure where they go or where they are routed.

For months now, we haven't been able to see images hosted on Photobucket unless you pay them $400 ... facepalm However, if it's an image of the parts book oil tank drawing:-

. Bottom left of the parts book drawing are the oil tank and engine breather pipes: #43 is the D-section pipe around the outside of the drive-side edge of the rear fender, #39 is the pipe to the 'elbow' bolted to the inner face of the primary chaincase, above the gearbox and under the carb.; #42 is the oil tank breather pipe, that attaches to the spigot on the oil tank pointing forwards in front of the tank filler neck.

. If the filler neck on your bike has another spigot pointing rearwards and a slotted screw holding down a spring visible inside the filler neck, that's the chain oiler. Personally, I haven't used 'em on my Triumphs for years - hot engine oil is a crap chain lubricant and, worst-case, I'd rather replace a knackered final-drive chain and sprockets than the bearings inside the engine. However, if you want to use it, #36 reaches from the spigot on the filler neck to one mid-way along the rear brake torque arm.

, Parts #16 to #19 are a Meriden Misprint - they're the pre-'70 oil tank vent parts, superseded by #39 to #47.

Hth.

Regards,

#713467 - 11/01/17 1:53 pm Re: Oil tank, oil pipes and breather pipes [Re: Wally Balden]  
Joined: Oct 2007
Posts: 188
Wally Balden Online content
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Wally Balden  Online Content
BritBike Forum member

Joined: Oct 2007
Posts: 188
St. Louis, MO
Thanks for the information. Yes, it was an image from the parts book for the 70 bikes. The image showed up when I previewed the post but I guess Photobucket didn't like it. Paying $400 is a joke.

What you described makes sense. So the crankcase breather from the engine (39) goes into a T (41) and is met by the breather tube coming off of the oil tank (spigot pointing forward toward engine). Then 43 is attached at 41 and runs down the rear fender. That makes sense of the whole 42, 43, 39 tube set shown on the parts page.

I will probably run the line for the chain oiler just to have the spigot covered.


Moderated by  John Healy 


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