Ok k-moe thanks for that info, my test run out was only a few miles to test the carb rebuild ..need to take it further... good idea testing the...
Test ride this morning 5k 6k 7k no surge :).... but if i snap it to full throttle i get the surge or could be stumble and it pulls through it...
Yes upside down in pic me thinking it would work lol until i installed the float needle ..no way ..they will not work that way... all back...
Guy's I am loosing my mind I need a vacation I had the float's in the right way will not fit upside down
Yes its is ...even upside down the float height was ok, just less travel for the float, fitted right way it travels more, would this have anything...
Dam it I think I found the problem the floats were in upside down ... The past owners not the one I got the bike from put em in like that I never...
Yes air jets in right order ..carbs back on the rack all clean, waiting for parts
The jet was higher by 2mm using washer, i was able to get a better mixture adjustment ...had good mid range but after 5k it had the surge, carbs...
That didn't work carbs off for full dismantle
Fuel levels up to the gaskets trying this first. [ATTACH] My choice is...
I can put a small metric rubber washer under jet bring it up 1/32nd
[ATTACH] Is this the correct size for the Y10 jet.
The two holes are facing the front close to butterfly is that correct. [ATTACH] I see now...
Well after sorting the plug caps out and replacing the clutch i was back out again, the surge was still there at 6k and up, i ran it with the...
Thanks guys i got a video of the whole thing... now i know... looks like owners forget to put it up..
Anyone got a picture with the exhaust off, interested in the way its mounted to the frame.. picture looks like its got a wrap around plate, does...
Thanks Dan i see the side stand when up hits front rubber on exhaust
Can someone post a picture of the side stand bracket on the frame, and where it rests when in up ... mine was missing when i got the 650.......
Coil 1 and 4 had the removable carbon insert had no ohms ..cleaned them up, removed the carbon and made steel instead .... now no resistance on...
all sorted ...i was chasing the wrong wire lol :rolleyes::(.... yes its light blue... i never gave the clutch switch a thought if that was working...
Well guys i found the problem something i failed to check from the start .. one of the coils failed the secondary test wires ok, two of the dam...
clutch friction plates hard as rock will replace
A pain to pull that switch... decided to drain the oil some sludge on the drain plug... (clutch) the new oil has just done 300 miles...put two...
Yesterday it would not start neutral switch on gearbox, drained the oil to try and remove it...oil drain plug had black sludge on it, just done...
JCH the wire coming off the switch is white then it plugs into a push connector now its black and red next to the frame, then inside harness up to...
looks like the exhaust has to come off with the oil pan to get a socket in there....
Can not get a socket in there does the engine have to come off mounts to remove.... its not screwed into the oil pan... does the oil pan have to...
Dam it i was chasing the wrong wires at least i got the clutch switch to work.... charging system ok.... can the trans switch be salvaged where...
Getting close behind the headlight is a plug connector from the clutch switch unplug it and bridge the wires it starts....clutch switch/// i got...
I have this ongoing problem with the carbs well i thought so but i am leaning towards ignition problem... but i have something else ... yesterday...
Was the needle jet brass stock, i know my emulsion tube is brass and the jets should be stamped Y10... If no number on jet could it be wrong size...
Shinko set i have them on my cb900 and maxim
I decided to replace the spark plugs even though they looked ok, only non resistor i could get were champion N6YC ... Pulling up the onramp no...
I was also thinking about the diaphragm springs if i stretch them a bit... could the pistons be lifting up to soon, too much volume of air...what...
After run out today i am starting to think the needle and emulsion tube are they the right ones in there or miss matched....from last owners 21...
Today i will have gone through a tank of gas re topping off this morning with two gall (and seafoam) container.... its not the spark plugs... but...
Noah i think you and i have the same problem i have a 81 xj650 my thread is under intake boots ..well thats how it started, i get a surge feeling...
Thanks huntchuks I will continue with the sea foam and replace plugs at weekend, but I can feel the problem when the engine is only under a load,...
Brass filter with small orifice. NGK BP7ES plugs [ATTACH]
Well after a run out without brass filter it was a lot better 60 mph 70 mph I could tell the difference winding it to full I felt a bit lag then...
Stock air filter.... but wait i found something ..i decided to check the fuel flow from the petcock using clear hose into small bottle flow was...
starving for fuel in the higher rpms makes sense.. like the bowls can not fill fast enough, gas cap vent is ok...has anyone drained the carbs and...
Yeah i made sure them tiny holes were clear in the emulsion tubes twice...no its not dropping a cylinder i dont feel that.... its like i am towing...
Let me explain, got throttle at 7k rpm and up.. rpm does not drop at all, speed goes up giving more gas, this feeling is like fuel on fuel off...
No rpms do not go up clutch not slipping
Still got the surge after 6k ...using sea foam now ... used propane no vac leaks, spark plugs not rich or lean......runs perfect at idle...
got some fel-pro gasket today it was 31 thou thick before compressed... on 1 and 2 the rubber ring was as hard as the outside, straight edge...
Last chance lol... going to make thicker gaskets and use RTV ..seems like a lot of 650 owners recommend RTV ..could pull there carbs off...
looks like i made a big mistake getting these boots. :( now have vacuum leak right where it bolts to the head..... got to get the 1980 model year...
Paid $22 bucks for these wrong boots only used two of them/gaskets/clamps ...lets see how they hold up to the gas additives.... got two spare if...
