Here are some tires I have mounted on the rear wheel of my Honda XR650L. The Pirelli MT21 is the second tire from the right. ;)
http://i442.photobucket.com/albums/q...estires079.jpg From left to right, here is the list of tires in the photograph. 1) Mounted on the rear wheel is a K760, TrakMaster tire, size 110/100-18 2) Dunlop, D952, size 110/90-18 3) Pirelli, MT 21, size 120/80-18 4) Kenda, K760, TrakMaster, size 100/100-18 |
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The RX3 is a nice looking bike....
But at 175kgs it's the same weight as my XT660R with 1/4 of the HP.. Hope the 175kgs is with all the boxes etc... |
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Full specs here. |
Mpg issue
I suspect these engines are VERY "tight" when new, and will "break in" over a fairly large amount of miles (as far as mpg increases). My Cummins powered Dodge took 20,000! mies to get within 1/2 mpg of what it gets now. Took another 30,000 after that (till about 50,000 miles) to get to 20mpg hwy (at 65mph)! So it can take a long time to wear in all components in drivetrain. The gears, bearings, and all other moving parts all contribute some portion to friction losses, and will take much longer than the main rotating engine parts, but don't affect mpg as much as ring seal, and combustion related parts.
That mpg (or rather L per km;) seems low, BUT until it gets 1000 miles or more, just drive it and it will improve, probably by a large amount. If its still not doing what it should after 1000-2000 miles or so, I'll find a exploded view for you (or maybe someone with a ZOng 200 and a manual, can link an exploded view of their carb, and I can walk you through it. The 200's carb should be very similar to yours, only a bit larger sized, so SHOULD look the same and rejetting/adjusting/fine tuning very similar. I know Spud has rejetted his 200, as have others who posted it on other threads on chinariders, I'm sure. You kn0w, THATS an idea also, find the mods thread for the 200, and read the jetting/carb adjustment section to see if you feel confident to do the job. PArts should be available from the same suppliers (taobao) Id guess. Hopefully someone can chime in here for you with that helpfull info. You'd be surprised how big a difference the miles makes, and then just using what you have on the bike, but changing adjustments, will make re economy, drivability, and tq at or right off idle to mid rpm's 5-6000 or so) (most important re riding and mpg). I am quite sure you can do it, when if you decide you MUST :) do it;)! Believe me, this type thing WILL be calling you and talking to you when riding the bike, guaranteed. hehe I'm sure every other rider on here will agree with that statement thats worked on their bikes...:hehe: |
By the way, good decision:)
Re not "meddling with it until you do your research, and get a comfort level with the task. Its hard to mess anything up permanently, but there are lots of very small items that need to be kept up with and replaced from whence they came also:)..
Many on here have successfully fettled their carbs, if not all. Its one of those tasks that can nearly always be improved some, however, and if you modify other things, will need to be done again after the other parts are installed (or removed, even in some cases:) hehe. I suspect Spud has his 200 running very well by now:):tup: |
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Read Spud's mod on his 200 and some other modifications elsewhere. Sort of understand the basics of it. I think i need to find ot the jet size of my stck 1st. A couple of questions. Does a bigger sized jet makes it run leaner or richer? 2nd, i read about adjusting he clip up or down. What does that do?
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Please start a new thread on this topic, here, in our Dual Sport Forum. You can give your thread a title such as 'Zongshen RX3 Carburetor Problem.' Starting a new thread on this topic will give your questions more exposure, and you will get more replies. :) I suggest you include some photographs of your carburetor in the first post of your new thread. |
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http://californiascooterco.com/blog/...SC0040-650.jpg The Hanjin Germany has left Korea and is currently en route to Long Beach, California. The dockworkers are back at work. Things are looking good. As we learn more, we'll post it on the CSC blog. |
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thillskier says its made this way to protect the efi system. Did Your 71mpg record uses all the gas from the tank? |
Then again i hink i need to let he bike run for another few hundred km before i can really see mpg improving.
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You got it FTEY
Ride that thing! Thats the best you can do for it, and as you already noticed, its getting better, and I suspect rather quickly. MPG will go up as well, also rather quickly, I suspect.
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Great News, Joe!
Thanks for the update!
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On the RX3, the top fuel bar on the left side of the instrument cluster is twice as tall as the bars below it. https://fbcdn-sphotos-f-a.akamaihd.n...1aff7d93fa9e07 My experience is you can go close to 100 miles before that first bar goes out. The second bar (about in the middle of the gage) goes by pretty quickly, then it takes longer for the remaining bars to extinguish. When it gets to the last bar and then it goes out, you can go another 10 miles maybe before the orange fuel indicator starts flashing. We stopped for fuel when that happened on the Joshua Tree trip, because we knew there would be no stations for awhile and I didn't want to take a chance on running out of fuel. A big chunk of that ride was at freeway speed; I believe if we took it slower without a lot of stop and go traffic, the bike would do even better than the 71.43 mpg we recorded. I haven't attempted to run the tank dry, nor do I think this is a good idea based on the fact that the fuel pump needs fuel in the tank to stay cool. |
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