Joined
·
600 Posts
Things are getting complicated...but I think I'm a little closer...while the seafoam has showed promise initially..it is far from consistent...wasn't able to hot start at all today...then after a long soak in the sun...the bike would crank but the fuel pump failed to prime... finally something is beginning to fail...no gas was reaching the injectors... I swapped the pumps relay for the ignition relay...pump primed and I'm back to waiting until 186° to start when hot...can't find my spares so I'm going to try and swap in some new ones on order...in the meantime going to trace the 12v source wire and ground connections...the cold tank of fuel yesterday could have cooled the relays enough to fire up when everything else was hot... curious what that high of a concentration had on my valves...will have to peak when the new ones arrive....
So...to recap briefly...fuel pump primes when hot...never noticed it not to...no ignition or weak and failing ignition...I can typically smell unburnt fuel out the exhaust...ignition relay could be weak or failing to completely energize durring startup...fuel pump failed to prime today...but starter worked...need to trace the 12v source which feeds each of the 3 relays and see how much it drops during initial cranking...swapped the ignition relay for the fuel pump relay...pump primed; engine started...it should not have if the relay was completely toast...but it's not under the same load to energize as the ignition relay is during cranking...so...nothing definitive...but the return of waiting until 186° has me wondering if I had not tried swapping one for another before...the relays are used across multiple bikes but need to look at their placement...might be why this is only happening on the 821 or is this going to start popping up with the scramblers? Still no smoking gun...nor solution...bike is running phenomenal...just don't turn it off...getting closer
So...to recap briefly...fuel pump primes when hot...never noticed it not to...no ignition or weak and failing ignition...I can typically smell unburnt fuel out the exhaust...ignition relay could be weak or failing to completely energize durring startup...fuel pump failed to prime today...but starter worked...need to trace the 12v source which feeds each of the 3 relays and see how much it drops during initial cranking...swapped the ignition relay for the fuel pump relay...pump primed; engine started...it should not have if the relay was completely toast...but it's not under the same load to energize as the ignition relay is during cranking...so...nothing definitive...but the return of waiting until 186° has me wondering if I had not tried swapping one for another before...the relays are used across multiple bikes but need to look at their placement...might be why this is only happening on the 821 or is this going to start popping up with the scramblers? Still no smoking gun...nor solution...bike is running phenomenal...just don't turn it off...getting closer