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233 Posts
My bike is an 83 VT750c
(I think i saw a post about this last august? and i didn't follow it to the end because I ASSumed it was bad plugs.)
now that it is a nice balmy 75 degrees here in sunny San Diego and it appears the rain has stopped for the season i decided to get the bike up and running and take care of yet another pesky oil leak. I pulled all my plugs and the rear cylinder must be getting some blow by (oh joy) by the looks of the fouled plugs.
i found a great website with some photos to help decipher plug condition and cause: Spark Plugs Overview
I digress, to the problem. After changing out all four plugs the bike wouldn't fire. I decided to check to see if i had spark so i pulled the right front wire, attached an old plug, rest it on the exhaust pipe near the head and cranked it. In about 2 seconds the bike started right up and ran for a moment and sputtered out after a back fire from the rear cylinder. Tried it again and it started and continued to run. Turned off the bike attached the plug wire to the plug in the front cylinder and it wouldn't start. I also tried the same thing will all four plug wires and it would only start when one of the front plug wires pulled and a spare plug attached resting on the block.
what does this mean? where do i start to trouble shoot? of course the battery died soon after so now i think the battery is going bad also. But thats a whole new thread..... but should i just go with the lithium-ion?
thanks
(I think i saw a post about this last august? and i didn't follow it to the end because I ASSumed it was bad plugs.)
now that it is a nice balmy 75 degrees here in sunny San Diego and it appears the rain has stopped for the season i decided to get the bike up and running and take care of yet another pesky oil leak. I pulled all my plugs and the rear cylinder must be getting some blow by (oh joy) by the looks of the fouled plugs.
i found a great website with some photos to help decipher plug condition and cause: Spark Plugs Overview
I digress, to the problem. After changing out all four plugs the bike wouldn't fire. I decided to check to see if i had spark so i pulled the right front wire, attached an old plug, rest it on the exhaust pipe near the head and cranked it. In about 2 seconds the bike started right up and ran for a moment and sputtered out after a back fire from the rear cylinder. Tried it again and it started and continued to run. Turned off the bike attached the plug wire to the plug in the front cylinder and it wouldn't start. I also tried the same thing will all four plug wires and it would only start when one of the front plug wires pulled and a spare plug attached resting on the block.
what does this mean? where do i start to trouble shoot? of course the battery died soon after so now i think the battery is going bad also. But thats a whole new thread..... but should i just go with the lithium-ion?
thanks