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Post by camojeremy on Sept 25, 2013 11:59:59 GMT -5
Okay so I purchased my "80cc" BBK along with a new bigger carb Installed everything to the best of my ability. I have posted a pic of the new carb (A) and (C) look to be the same as the old Carb but (B) appears to be new Can someone run through and tell me where each goes so i can make sure I have it right.... the thing is just Cranking and cranking but not firing up.... also what is the best setting to start with just to get it fired up so i can fine tune it... i.e Jetting main, pilot, and air fuel mix. Am I missing anything special I needed to do to get it fired right? Attachments:
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Post by camojeremy on Sept 25, 2013 12:02:49 GMT -5
I Also took off all the emissions crap if that was important to know didn't think it was necessary.
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Post by devo344a on Sept 25, 2013 12:25:29 GMT -5
A-- looks like it has a plug in it thats the fuel line B looks like an over flow and C is the carb drain the little screw next to will open and it will drain the carb threw C I always start mine with what setting its set at
See if A is a plug if it is your not getting any fuel
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Post by JerryScript on Sept 25, 2013 12:33:43 GMT -5
oops
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Post by scootnwinn on Sept 25, 2013 12:44:25 GMT -5
A-- looks like it has a plug in it thats the fuel line B looks like an over flow and C is the carb drain the little screw next to will open and it will drain the carb threw C I always start mine with what setting its set at See if A is a plug if it is your not getting any fuel The post above is inaccurate the one I quoted is correct meaning, C is not the inlet it's the carb drain, B overflow and A inlet. Yes it looks plugged |
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Post by camojeremy on Sept 25, 2013 14:23:02 GMT -5
I checked cuz yall got me thinking good eye btw. but was a fuel subfilter....
Any other thoughts
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Post by scootnwinn on Sept 25, 2013 15:13:34 GMT -5
Is the float bowl filling with fuel?? Open the screw next to C and see if gas pours out. If it doesn't you may not be getting a good vacuum pulse to your fuel pump/petcock. If you have fuel there check to see if the plug is wet after cranking. If it is start chasing spark and compression issues. You may also try a shot of fuel directly into the cylinder and see if it helps getting things rolling...
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Post by camojeremy on Sept 25, 2013 16:34:07 GMT -5
There is Gas in Bowl, Spark, compression, would a shot of ether be bad on a brand new BBK just to get ball rolling?
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Post by scootnwinn on Sept 25, 2013 16:37:45 GMT -5
Anything combustible will do. If you have spark, compression and fuel the only thing you're missing is timing.
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Post by camojeremy on Sept 25, 2013 17:01:45 GMT -5
Plug is fouled up I just checked again... although please explain timing.... I changed the Camshaft and again don't know what the i'm doing.... explain timing how to check/ change.... I just slapped in the new camshaft with no reguards...
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Post by camojeremy on Sept 25, 2013 17:18:05 GMT -5
D8 Wow I just watched a really good video on youtube covering the BBK Install, Timing, Camchain position, Value adjustment and everything... And wow wish I saw that before... I F***ed EVERYTHING you could mess up I really Feel like dumb A** OK well Thanks I guess I'll get a good nights rest and start over tomorrow. . . Wow this sucks!!!! lmao
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Post by camojeremy on Sept 25, 2013 19:41:12 GMT -5
Ok so went ahead and pulled the motor again trying to do timing and valve adjustment which picture is the correct Camshaft position for the timing mark and valve adjustment? Attachments:
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Post by camojeremy on Sept 25, 2013 19:42:22 GMT -5
Or this one? Attachments:
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Post by alleyoop on Sept 25, 2013 19:52:28 GMT -5
Well I see that the Marks on the Cam Sprocket are lined up with the top of the HEAD. But whichever one allows you to be able to WIGGLE BOTH rockers a little is the correct one. The correct one the CAM LOBES will be off BOTH ROCKERS.
Alleyoop
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Post by camojeremy on Sept 25, 2013 20:53:34 GMT -5
Ok so I don't have a feeler gauge so project is halted for the night but it look like needs MAJOR adjustment.... So much so that I don't think I'll have enough adjustment screw to put them where they will need to be so it looks is there replacement longer screws for adjustment?
And is .0030" ok for both valves?
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..BAD TO THE BONE..