Electrical Problem
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By BeachBuggy
Massimo Buck 250 less than a year old. 900 miles on it. Live on beach in TX...i.e. corrosive salt air and normally mild temps.
The story - one day, it randomly quit on idle and was tough to restart. Next day, it occasionally cut out for 1-2 seconds while driving, then catch back to normal throttle. Pumped gas pedal, not sure if that helped it catch. Added some marine sta-bil and filled tank. Ran well after that for a day. Following day, wouldn't start. Turns over, cranks, but won't start. When it quit on idle that was the first time driven since we did have a freeze of ~25 degrees.
Full charge on battery. No spark. Changed plug and still no spark. Fuses look good, but fuse connection box has some loose clasps and spade were corroded. I bent clasps best I could and used dielectric on spades re-inserted. Cleaned and checked every connection I could find. Don't have a card reader to hook up, but did swapped ECU just to check that, and no change...after swapping ECU the engine light now stays on. Previously blinked and then goes away.
Under warranty but service place is 2 hrs away.
thanks!
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By Jon Spruill
Hey Guys, I have been chasing a stalling condition for about two weeks now. The bike will crank up and idle fine, then after about 20 seconds it will fall on its face and stall. It happens at both idle and while running at various rpms. You can turn the key off, turn it back on and it will fire right back up without trouble. I have verified spark on both cylinders with a spark tester. I have also added an inline fuel filter, and pulled the injectors to verify proper pulse on each. Things I have replaced - (relearn procedure performed after each component replaced): spark plugs, ECU, relay/fuse box, fuel pump, & throttle position sensor - all with no improvement of the condition. The only warning light I get when the condition occurs is the oil lamp. The bike only has 14 miles. I am at a loss and appreciate any help and suggestions! Thanks
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By robwork9
Hopefully someone out there is a T-Boss 410 electrics expert or a Massimo mechanic is viewing this. I parked my 410 and it was working great. I came back a week later and attempted to crank it and nothing. Turned the key and no power. Figured it was a bad/low battery so I charged it. Still nothing. Attempted to jump start it and still nothing. Usually when I put the key in and turn it to the first position, the display comes on and I hear the ECU and other items boot. Now it is doing nothing.
I slowly went through the electrical system and found the main fuse attached to the starter relay, part 71602 (pic 1) blown. I figured replacing this fuse would fix my problem. It didn't. I then ordered a new starter relay thinking maybe that part had gone bad and caused the fuse to blow, but a new relay did not fix the problem.
I have found a work around for starting the machine. If I take one of the purple/black leads (pic 2) and insert one of them in the bottom right of the starter relay (pic 1 and 3) then the machine will get power even with the key in the off position. I'm bypassing something but don't know what. I can use my right hand to hold the wire against the lower right of the starter relay, reach over and hold the brake with my foot, then take my left hand and turn the key and it will crank. As soon as I remove the wire from the relay the machine shuts down. I have even removed the power distributor box and it will still get power when I touch the wire to the relay. Of course this is not the way it should work but if I can't solve this problem somehow I may just have to rig a connector to the relay and bypass whatever is causing the electrical issue. Massimo has told me the purple/black wires on my model are not used.
Any help in figuring what my problem may be or other items I can try?
v/r,
Rw
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By TapBoss
So I'm out a deer camp and ran the sxs for 2 days. The next morning, fired it up and headed out. Made it about 50 yds then bogged down and died. Restarted twice and only moved a few feet then would not restart. Took the truck out for the day to hunt and when I got back I could hear the fuel pump kick on when the key was turned but it would still not start. Added stabilizer to the fuel and put the trickle charger on it and tried again the next day, still the same - pump coming on and turning over but no start. Other than spark plug, air filter or injector clog any ideas? Out in the middle of nowhere so limited on resources.
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By swalley
bike cranks and runs great sometimes when you stop and get off nd it is idling simply goes dead for no reason hard to start back up if at all unless you let it set for about 30 minutes then cranks back up fine and your on your way anyone have a idea whats going on. im new here and to these machines any advice would be appreciated
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