Bridgestone Motorcycle Parts Discussion Board

Bridgestone Tech Talk => 50, 60, 90 & 100 Talk => Topic started by: killerterp on June 13, 2018, 09:06:28 PM

Title: bs 90 broke oil pump premix?
Post by: killerterp 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?

Title: Re: bs 90 broke oil pump premix?
Post by: mqtsteve 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

Title: Re: bs 90 broke oil pump premix?
Post by: killerterp on June 20, 2018, 08:28:55 PM

thanks steve!!!!!!!!!!!

Title: Re: bs 90 broke oil pump premix?
Post by: killerterp on June 20, 2018, 08:31:41 PM

looked at all my factory tech books
 does 20:1 mix sound about right?