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General Category >> Rubber Side Down! >> Fuel Valve below tank
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Message started by 502z on 06/19/08 at 12:50:24

Title: Fuel Valve below tank
Post by 502z on 06/19/08 at 12:50:24

Well, after deep consideration I decided to ask a very stupid question. This is in response to my previous post where the bike cuts out near full throttle. Apparently, I did not look too close to the positions on the valve. On previous bikes the normal position was with the arm down at 6 o'clock. At a closer look on the Savage, "Pri" is at 3 o'clock. I presume "pri" means primary??? It is a little confusing with "on" at 6 o'clock. Will someone confirm the arm needs to be at 3 o'clock "pri"....

Title: Re: Fuel Valve below tank
Post by youzguyz on 06/19/08 at 12:58:52

pri = Prime (NOT primary)
on = on - this is the normal position
res = reserve

LS650 uses a vacuum actuated petcock. Pri bypasses the vacuum valve and allows gas to flow without the engine running.
on = vacuum from engine allows gas to flow.
res = vacuum from engine allows gas to flow from bottom of tank.
IF you have a leak in the vacuum line from the carb to the petcock, it can keep fuel from flowing when the engine is running.

Title: Re: Fuel Valve below tank
Post by T Mack 1 on 06/20/08 at 11:17:57

like youzguyz says, pri = Prime

Another way of saying getting fuel into an empty fuel bowl on the carb. Remember, gas evaporates and the carb does have vents....

Title: Re: Fuel Valve below tank
Post by hdblueangel on 06/21/08 at 09:06:30

When should you use the PRI?

Title: Re: Fuel Valve below tank
Post by justin_o_guy2 on 06/21/08 at 09:51:25

If ya run the dude outta gas or have the carb apart, then thers no gas in the bowl. Put it on PRIme & let the bowl fill, then itll start.

Title: Re: Fuel Valve below tank
Post by T Mack 1 on 06/23/08 at 04:45:52

Also if you store it over the winter or for months at a time.

Few seconds (10-15) is all you need.