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  #181  
Old 1 Week Ago
Four Speed Four Speed is offline
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Good. It is a much better design. Nice job on the tank labels!

My HD came with various spares, including an original oil tank with a (8-10mm!) hole where the support bracket broke off the tank.
When I saw that, I resolved that I didn't want to be riding when that happens! The upgrade gets rid of that problem.

There are some ways to improve the original battery tray support but it still might be worth considering a Lithium battery to reduce
the weigh acting on the tank.
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  #182  
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Quote:
Not a huge fan of routing hoses under starter
Hi Duker, is that to keep the hose runs as straight as possible to maximise flow? If so, it sounds like you have an original tank?

Routing the feed and return under the starter is much cleaner/straighter on the upgraded tank, because the pipes are at the bottom.
The oil return on the original tank is high, so that may benefit from taking the return hose over the starter. Basically, the upgrade is
a much better design. Go on, treat yourself!
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  #183  
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WI_duker WI_duker is offline
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Quote:
Originally Posted by Four Speed View Post
Hi Duker, is that to keep the hose runs as straight as possible to maximise flow? If so, it sounds like you have an original tank?

Routing the feed and return under the starter is much cleaner/straighter on the upgraded tank, because the pipes are at the bottom.
The oil return on the original tank is high, so that may benefit from taking the return hose over the starter. Basically, the upgrade is
a much better design. Go on, treat yourself!
My hoses displayed symptoms of being slightly pinched.
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  #184  
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Four Speed Four Speed is offline
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Quote:
My hoses displayed symptoms of being slightly pinched.
An important consideration. But which type of oil tank do you have original or the 94 upgrade?
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  #185  
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Original tank
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  #186  
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I noticed that the venting line of the cam case is sucking air. The result is a vaccum in the oil tank. Is there a venting hole in these oil tanks ? I don´t have breathers behind the air filter case. I really don´t understand what´s the difference between old and new tank apart from the location of the connectors
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  #187  
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Hi hell-wart

Quote:
I really don´t understand what´s the difference between old and new tank apart from the location of the connectors
That is pretty much it. Improved hose routing and the improved battery tray support, so the tank doesn't fracture and dump oil over the rear tyre!!

We have already covered the connections on the new tanks v the original. If they have been fitted correctly the venting will be the same as before.
Have you got the oil pump output/input the correct way round?

To recap, there are three breathers but only one goes to the oil tank: The cam case vent which is behind the cam chest in front of the starter motor - goes to the red cap:
The main engine breather which exits the cam case by the oil filter - does NOT go to the oil tank. It is normally routed to the air filter but can be sent under the bike or onto the drive chain.
Finally the trans vent - which is placed somewhere high under the seat.


If that doesn't help then post pictures.
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