Author Topic: bs 90 broke oil pump premix?  (Read 293 times)

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Offline killerterp

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bs 90 broke oil pump premix?
« on: June 13, 2018, 09:06:28 PM »
got a 68 bs 90 sport , think oil pump is broke , can i run premix or will engine not get lubricated?
« Last Edit: June 13, 2018, 09:41:46 PM by killerterp »

Offline mqtsteve

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Re: bs 90 broke oil pump premix?
« Reply #1 on: June 14, 2018, 07:01:19 AM »
Yes, you can use premix fuel without oil pump.  There are NOS oil pumps available.  Richard (site owner) and eBay have them.  There is also a thread on rebuilding and factory set up.  Here's the link:
http://bridgestonemotorcycleparts.com/index.php?topic=3641.msg19667#msg19667
Good luck!  Steve
Steve S.
4/1966 BS90 Sport(o.i.), 5/1966 BS90 Sport(o.i.),
1965 BS90 Trail, 1965 BS90 Mountain

Offline killerterp

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Re: bs 90 broke oil pump premix?
« Reply #2 on: June 20, 2018, 08:28:55 PM »
thanks steve!!!!!!!!!!!

Offline killerterp

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Re: bs 90 broke oil pump premix?
« Reply #3 on: June 20, 2018, 08:31:41 PM »
looked at all my factory tech books
 does 20:1 mix sound about right?

 


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