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| black death 4500 issue http://www.mudmotortalk.com/mmt_v2/viewtopic.php?f=3&t=47789 |
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| Author: | benelli85 [ Thu Nov 28, 2013 7:24 am ] |
| Post subject: | black death 4500 issue |
Running down river motor bogged down quit I restarted now sounds like its running on one cylinder and almost sounds like sucking air by exhaust any help would be great I have about 60hours on it |
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| Author: | duckduckboom [ Thu Nov 28, 2013 7:36 am ] |
| Post subject: | Re: black death 4500 issue |
Well it's one of 3 things; air, fuel, or fire. So first touch the exhaust manifold on both sides. The one that doesn't burn you is the side with the problem. Check said cylinder's spark plug to see of you are getting fire. If not start with changing te spark plug . Also check for chaffing for cracks in the boot or chaffing in the wire were it pass under the cowling. This can cause a short before your spark plug. An easy way to test this is if the motor is running touch each heat shield. You will know if it is shorting out. Next pop your valve cover and insure all push rods are intact and have the correct lash. Turn the key on(do not start), engage the clutch, then turn the prop by hand while watching the valves. If one valve is not moving, once again reassure that the push rod seated on the lifter and the rocker. If not you rolled a love on your cam. Next clean your carb. |
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| Author: | benelli85 [ Thu Nov 28, 2013 12:23 pm ] |
| Post subject: | Re: black death 4500 issue |
  I found the problem after looking around couldn't find anything but noticed a blocked exhaust little metal cap looking thing in there poked it with a stick it moved grabbed a pliers yanked it out runs fine again a little louder now but im ok with that thanks for the help air flow was the issue
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| Author: | cupped up [ Thu Nov 28, 2013 1:27 pm ] |
| Post subject: | Re: black death 4500 issue |
Damn the welds on the cap on the exit tube broke and the cap was making its way out and plugged the outlet? That's crazy! That things welded almost all the way around. I'm surprised that broke. |
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| Author: | benelli85 [ Fri Nov 29, 2013 8:04 am ] |
| Post subject: | Re: black death 4500 issue |
mine only had two spot welds on it thinking new exhaust any suggestions looking for louder does any exhaust help better than others |
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| Author: | missile [ Fri Nov 29, 2013 10:09 pm ] |
| Post subject: | Re: black death 4500 issue |
I have gutted several exhaust and found some that only had spot welds and some that were welded up solid. I just gutted my new gtr exhaust and that sucker was never going to come apart. |
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