Dong Fang DF 250 RTB Bobber Information

[DanDaMan]

honestly I did mine like this at 450 miles , I now have 1500 miles on it runs like a dream (had to readjust again about 1200)
1/2 - make sure cold
6 - make sure top dead center
7 - I do this by hand I always have with every pushrod engine ive had tightn till you cant rock and get em to tick anymore , losen 1/8th a turn at a time till get em "ticking" slightly when rocking em vigorusly , tightn down check again to make sure can still make em slightly tick

ride for another thousand miles , or the valve ticking gets unusually loud (there loosening up)



hard getting up to temp , hmm is your plug tip dark ? sound like your a bit rich , tiny screw bottom carberator front side top of the float bowl , give it a 1/4 to 1/2 turn IN , keep adjusting till stop getting a performance boost and back it off 1/2-3/4 a turn as not to be to lean (maybe a full turn or a bit more if run at high rpm's alot)
= to rich bike runs cold to lean it runs hot = to rich it lacks Horse power to lean has best horsepower = but to rich will only foul plugs to lean will damage the valves = have to find the mix between the 2


but be4 all that , did u ever pop the gascap right after it chugged to a stop to have it start right back up ? if so its vaporlock fixed with a hairtie