Search found 39 matches

by WiseTurtle
Mon May 21, 2018 11:27 pm
Forum: Technical Discussion
Topic: CB650 Spark Splug Problem PLZ HELP
Replies: 36
Views: 4805

Re: CB650 Spark Splug Problem PLZ HELP

SOLVED!!!!!!!!!!!!!!!!!!!!!
Air cutoff valves on 2,3,4 carbs were toast and just replaced them all for only $30. The only good one was on the #1 cylinder which is why it was lean. All is good now and no more black plugs. :mrgreen:
by WiseTurtle
Sat Apr 14, 2018 3:22 pm
Forum: General Discussion
Topic: How much resistance on a CB650C 1980 in spark plugs?
Replies: 0
Views: 876

How much resistance on a CB650C 1980 in spark plugs?

I have a cb650 that seems to only have 5k spark plug caps thats it. Looking at other posts like Hondaman at SOHC it says 80's bikes came stock with 10k ohms of resistance which extends the spark. Should I change the spark plug caps to 10k ones or add the dr8es resistor plug which is 5k to increase i...
by WiseTurtle
Tue Apr 10, 2018 7:14 pm
Forum: Technical Discussion
Topic: CB650 Spark Splug Problem PLZ HELP
Replies: 36
Views: 4805

Re: CB650 Spark Splug Problem PLZ HELP

Finally got around to starting up the bike and that thing revved like crazy. It started out at 2000rpm then rose fast to over 5k and had to readjust the idle screw to quite a bit. One things for sure is it definitely feels lean because it got pretty hot fast. The acceleration was nice and even with ...
by WiseTurtle
Sun Apr 08, 2018 2:08 pm
Forum: Technical Discussion
Topic: CB650 Spark Splug Problem PLZ HELP
Replies: 36
Views: 4805

Re: CB650 Spark Splug Problem PLZ HELP

Good news, I was able to seperate the slide from the arm and needle and there was no washer but only a circular horsehoe washer attached to the needle and no grooves to adjust the needle height (non adjustable). The bad news, I destroyed that big philips screw so i need to go get the another metric ...
by WiseTurtle
Sun Apr 08, 2018 12:19 pm
Forum: Technical Discussion
Topic: CB650 Spark Splug Problem PLZ HELP
Replies: 36
Views: 4805

Re: CB650 Spark Splug Problem PLZ HELP

Hows my needle?
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by WiseTurtle
Sat Apr 07, 2018 10:33 am
Forum: Technical Discussion
Topic: CB650 Spark Splug Problem PLZ HELP
Replies: 36
Views: 4805

Re: CB650 Spark Splug Problem PLZ HELP

The fuel filter is my doing. I just put that pic to show how I routed the gas line in order to fit in there, as its almost horizontal.
by WiseTurtle
Fri Apr 06, 2018 2:58 pm
Forum: Technical Discussion
Topic: CB650 Spark Splug Problem PLZ HELP
Replies: 36
Views: 4805

Re: CB650 Spark Splug Problem PLZ HELP

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by WiseTurtle
Thu Apr 05, 2018 10:51 am
Forum: Technical Discussion
Topic: CB650 Spark Splug Problem PLZ HELP
Replies: 36
Views: 4805

Re: CB650 Spark Splug Problem PLZ HELP

Yeah I did the float test wrong so Ill do it again when I get back home later today. College is such a drag here :( Whats your opinion on the spark plug pick that I posted. Why the white spot?
by WiseTurtle
Wed Apr 04, 2018 4:47 pm
Forum: Technical Discussion
Topic: CB650 Spark Splug Problem PLZ HELP
Replies: 36
Views: 4805

Re: CB650 Spark Splug Problem PLZ HELP

#1 was 19.48mm away from the mating surface of the gasket for the bowls and #4 was 26.??mm from the gasket surface. So #1 is actually getting more fuel then #4 but in leaner. How can this be? I opened both drain screw at the same time. Bad stiff air cutoff valves? I dont know what else to do anymore...
by WiseTurtle
Wed Apr 04, 2018 4:29 pm
Forum: Technical Discussion
Topic: CB650 Spark Splug Problem PLZ HELP
Replies: 36
Views: 4805

Re: CB650 Spark Splug Problem PLZ HELP

I think you right about the float problem because I turned my petcock on for a couple minutes and one of them started peeing gas when I came back. I dont have the prime setting on the petcock but if I do this trick wont it be misleading because once the gas empties from the bowl and the float opens ...
by WiseTurtle
Sun Apr 01, 2018 11:05 pm
Forum: Technical Discussion
Topic: CB650 Spark Splug Problem PLZ HELP
Replies: 36
Views: 4805

Re: CB650 Spark Splug Problem PLZ HELP

I guess I didnt notice the flag in your profile pic. :oops: Before taking out the bike the battery was testing 12.72v and it started easily but I had to feed it some throttle a couple of times because it would die down while warming up. Choke seems to no longer have an effect but just bogs it down a...
by WiseTurtle
Sun Apr 01, 2018 4:51 am
Forum: Technical Discussion
Topic: CB650 Spark Splug Problem PLZ HELP
Replies: 36
Views: 4805

Re: CB650 Spark Splug Problem PLZ HELP

A night owl huh? Me too. I like the high rpm vibration because it kinda makes my bones tingle. I checked the bolts mounting to the frame and they were all good I think that just how they are. I finished charging my battery and Ill take it out when the suns up. As for the slides I split the carbs and...
by WiseTurtle
Sun Apr 01, 2018 12:03 am
Forum: Technical Discussion
Topic: CB650 Spark Splug Problem PLZ HELP
Replies: 36
Views: 4805

Re: CB650 Spark Splug Problem PLZ HELP

I took it for a ride in my previous comment I just forgot to say that. It did rev past the 5500rpm and I accidently redlined it which spooked the hell out of me. Past 6k the engine feels like its gonna shake off the bike and gives me a buzzy feeling through the foot pegs passing up my body :D . Afte...
by WiseTurtle
Sat Mar 31, 2018 10:28 am
Forum: Technical Discussion
Topic: CB650 Spark Splug Problem PLZ HELP
Replies: 36
Views: 4805

Re: CB650 Spark Splug Problem PLZ HELP

Bad news. The previous owner seemed to over tighten every damn thing and he did the same with the 3 screws holding the advance plate. It looks like they were way over-tightened and then with the heat got welded in there. I broke 2 of my craftsmen bits trying to get it out and that was after PB nutt ...
by WiseTurtle
Fri Mar 30, 2018 1:01 pm
Forum: Technical Discussion
Topic: CB650 Spark Splug Problem PLZ HELP
Replies: 36
Views: 4805

Re: CB650 Spark Splug Problem PLZ HELP

How do I lube it? Do I just slather the whole thing with oil or grease? I been meaning to check my air gap in there but I dont have the brass feeler gauges but since it ran lean before Im guessing that wasn't it anyway.

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