Dong Fang DF 250 RTB Bobber Information

[Bob form NV]

If you are in the exhaust part of the stroke when you adjust your valves it will just make the gap about an 1/8 inch when in compression stroke.

If you are in the compression stroke the exhaust will be tight when properly gapped

[DanDaMan]

u will know if its the compression stroke if the next valve to open is the exhaust valve

and u right axa .006 and .008

[axa]

The manual they sent with my 2012 was a chunk of garbage. A kind of cover all DF 250 kind of thing with instructions like " to change your oil lay the bike flat on the ground" sheesh

Ya I read that, that's ridiculous. How about the part when they forbid you to use the vegtable or cooking oil, but do suggest somthing like the RB#33 or something like that oil.
The entirety of google couldn't guess what they might be talking about.

[axa]

u will know if its the compression stroke if the next valve to open is the exhaust valve

and u right axa .006 and .008

Ahhh elementary indeed

[chruk bashre]

used my little finger for the intake and my thumb for the outtake.ha
#2'+#4'. a lot quieter now. mine were barely hanging on.

Oh,thats o.0#2"~0.#o4" yEAH, thats what i mean. i think. hmmm, letseenow..tang/vert=cos+sin=/delt-=+%@^hms\\=0.002"~0.004".

[birdmove]

While I am reading through this giant thread (now on page 2110 of 369...), I have a couple questions. 1.Has anyone bought one of these and shipped and licensed it in Hawaii? 2.Has anyone bought the newer version that now comes with a "peanut" gas tank? I'm wondering if they went to a better mount that won't cause the gas tank leaks the older design had. 3.I have only read of two cases where the sealed spoke wheels had a leak so far. One owner got a new wheel under warranty. The other had a shop install an inner tube. These types of wheels are a pretty new development to motorcycles, and I would worry about leaks. Anyone else had problems with these? One owner (the one that got a warranty new wheel) said he was told they couldn't install an inner tube, as the wheels are designed for tubeless tires. But the other owner had a shop install a tube. Who is right here? Can you or can't you install an inner tube in these wheels? The existence of this forum is a HUGE incentive to buy one of these bikes. The new model has, I hope, a new gas tank with better mounts. And, it has bars I prefer over the older ones. Price is down to $2069.95 at Powersportsmax.com. I just need to get a shipping price and decide whether I want one of these or not. I like that it has an easy to work on push rod engine, and that everything is pretty out in the open with easy access. I don't like having no kick starter or centerstand. I don't like sealed tubeless spoke wheels. I wish it was geared higher from the factory, but have no problem replacing the rear sprocket. I like that it has very little chrome. Chrome and the rainy Puna District of Hawaii do not go together well. We have lots of beautiful sunny weather, but it rains most nights, and some days, and the word "hard" doesn't describe the sometimes downpours. As in, you cannot drive in it. I'd rather have no chrome, than a cheaper quality chrome that will rust.

[Bob form NV]

I Have put tubes in tubeless mounted tires so I don't see a problem. I suppose it depends on the shop you take it too. The 2012 version of the bike has a new style of gas tank that is mounted different and doesn't have the leaking problem of the 2010 model. I have read in this thread of people having problems with rust on the chromed parts in rainy seaside areas. Where I live it's very dry and the little water I have been in contact with has caused no rusting yet. Good luck

[culcune]

Birdmove, my fear is that most of these Chinese bikes will rust if exposed to too much rain. I don't know how long my bike was left out to the elements of L.A., and how much rain soaked it, but the exhaust was rusted up before I bought it. The rest of the bike is not too bad, and I do find the plastics holding up well; that being said, my bike is not a Dong Fang bobber. If memory serves me well, there was a guy who purchased one way at the beginning of this thread, and it rusted easily because he left it out while he waited for someone to pick it up after he got a refund (it might have been member 'Gardo', but I believe someone else had to send theirs back due to registration issues).

[ben2go]

Not sure on the HI thing.I haven't seen anyone on any Chinese moto forums talk about being in HI.

As far as the rusting issue.Any where there is rain or high humidity,rusting will be an issue,even on my Yamaha and Suzuki bikes.Anything close to the coast that may be in salt air will rust really fast.The only way to deal with it is waxing the piss outta everything,or complete strip,paint/powder coat,and re chrome.My Suzuki and Yamaha have rust in places that never see direct moister.When these things are shipped,expect it in any condition.

[birdmove]

If a tube would work in these rims, then I'm not too worried. I've done a few tire replacements in my 50+ years of riding. The last was both tires on a 2005 KLR650, which turned out fine. And my 2 scooters, and the next bike I get, won't be kept out in the rain. They will be under a roof for sure, and possibly a shed. I do remember reading about someone who had the spokes rust very quickly on their Dong Fang bobber.