Honda Spree and Elite 50 Forums

thanks for all the input.

so the other day i decided to test for intake leaks using carb cleaner around the manifold to case and cylinder to case (i dont know if that was the correct way to do it but i was very gentle with the spraying) anyway found that when i sprayed between the manifold and the cylinder the bike would die...

it ended up being the exhaust port clogged with carbon. whats good oil to kkep carbon low?

bakaracer wrote:as long as its above 120psi. check to see if the airfilter is dirty and check the airbox inlet to see if something is clogging it.

this is killing me. i checked the psi. 140 is what i got. cleaned air filter with gas. cleaned carb. and still same.

usually around 1 1/2 to 1 3/4 turns out for the air/fuel screw. did you check the belt and rollers? pull the plug and see what color it is. also do a compression check to see where that is at. if you took the restrictors out, I hope you upjetted the carb to compensate? when i turn them way out (3-4...

with the restrictors on where should the air screw be? the manifold hole is so little. would that mean i need to lean the mixture way out (4-5 turns) because of the restricted hole in the manifold?

bakaracer wrote:did anything get disconnected from the engine? the dd50 comes with emissions setup so there is a cat in the muffler. if the egr or any of the emission stuff gets disconnected, the bike runs crappy.

checked the exhaust systems and everything seems to be connected and OK.

I'll have to think about that one.

bakaracer wrote:turn it out to 2 and see if it clears up. if it doesn't then its the needle

thanks. i'll try to lean it out a little more.

I'll post pics of the needle soon.

thanks again for the help.

bakaracer wrote:how many turns out do you have the air/fuel screw at? in the pic its the screw on the left closest to the flange.

right now its at 1 1/4 turns out. earlier i had it at 3/4 turn but it seems to like the 1 1/4 better. running 42 pilot and 95 main.

Bear45-70 wrote:I an curious, what is the number on that big carb. At 18 mm it should be a PB carb and they have a replaceable pilot jet.

the pilot jet and main jets are replacecable on my keihin

bakaracer wrote:no if you spun a crank bearing, the crank would move around and you would have cylinder issues or seize. try leaning the needle 1 clip.see if tha clears that up. check for leaks too. if your up jetting and same temps, thats a sign of leakage somewhere.

thanks, I'll check for leaks.

bakaracer wrote:did you try jetting it to a 97 or 100? are you also running some oil in the gas tank too?

yeah i tried 1 ounce in the gas tank. same temp at WOT but takes a little while to get that high.

I am currently running 72CC malossi with stock manifold, airbox and oil pump. I did not want to premix so i tied the oil pump wide open. any advise (other than take out the oil pump and premix) on how to keep it running cooler or smoother. i currently running 42 pilot and 95 main jets anyone knbow w...

I have a 2010 bone stock fully restriced SYM DD50. it just hit 1000 miles and i have a problem with it bogging out after stopping. I just cleaned the carb and put some octane boost in but it still boggs out. there is a small host that connects the carb. to the back side of the airbox. i found that i...