Results 1–30 of 1098
The Express's auto choke is a bit hard to keep going. You'd have to do a lot of work to swap it on, and a lot more to keep it working properly. You might be able to swap an entire carb off of something like a Spree though that uses an electric auto choke. Otherwise I suggest keeping the manual.
Simple. The ignition key works by connecting the lighting circuit wires together and DISCONNECTING the ignition wires. So if you unplug the key, the bike will run but the lights won't work. You then just connect the two lighting wires together and you've got lights. Keep in mind this will run down your battery, and running an Express with a dead battery will blow the headlight.
Avoid the cheaper oils, and stuff that mentions marine engines. They'll quickly clog your exhaust with oily carbon.The better the oil you use, the longer the engine will last and the less carbon will build up.So either use a cheap oil and take the engine apart regularly to clean/rebuild (And try to figure out how to clean out the sealed muffler when you can't get over 25 any more) or use
No no no and no. High octane fuels are 100% useless to a normal engine. Unless you have so much compression (Or turbo boost in the case of a car) that the engine is knocking, higher octane fuels are of no use to you. That's all octane is. How resistant to knocking it is. It's not a measure of power.
You don't need to be such a big end about it.
The injector's pretty hard to break. It's probably just burning off some extra oil. A nice long ride should get it emptied out.
The better question is do they work at all? The answer is a gigantic no. Not on a moped, not on a car, not on anything. Don't waste your time or money.
WHY ARE YOU SHOUTING DO YOU KNOW HOW TO USE PUNCTUATION
When running properly, a UExpress should hit 32 on a good day. I'd suggest cleaning out the carb, the exhaust port, checking that the muffler's flowing well and inspecting the variator for wear.
A lot of these small engines arn't exactly pushing the limits of even the cheapest gas. I wouldn't be surprised if you could get away with running 87 without knocking. Only one way to find out!Also, avoid that Lucas crap.
Some of the first gen Express carbs had pressed in jets, while some of the others used screw in jets. If you have the pressed in jets, you're in for a much harder time.
No no no and no. Higher octane fuel does NOT make for better performance. It only allows you to run at a higher compression ratio without pinging. If you haven't seriously modified the engine to the point where it will no longer run on pump gas, there's no need for high octane fuel.
Two-stroke engines need the backpressure from the exhaust to run properly, and just taking the air filter off (Or putting a better air filter on) without adjusting the fuel mix to match will often make things worse. So I'm not the least bit surprised it didn't hit 30 like that.
That's going to require a few hours (Or if you're unlucky and as much of a noob as you sound, days) of carb tuning, re-jetting, switching to premixed fuel/oil, etc, before the bike will run well again. That's on top of installing the parts, which might involve making your own custom mounting brackets and things. Performance doesn't come easy. It's not like you can press a
There's not a lot.The '78 has points. The '81 switched to CDI among a huge list of improvements.
Then get a different bike. You can't throw a turbocharger on a moped or anything like that. If you want power, you gotta be prepared to get dirty.
I can't yet make that claim, but if I ever get mine finished it just might take that title.
We don't really know where the restriction on the Iowa NC50 is.
You can move the C-Clip holding the throttle needle to make the mixture more lean/rich.
A stock express really doesn't have much more to give. They don't have a washer welded in the exhaust or any one simple thing like that to slow them down. There isn't a single restriction point. The whole bike just isn't designed to go faster than 32. With some tweaking you might hit 35, but beyond that it would be an expensive job.
http://www3.telus.net/dougsimpson/Gyro.html - have a look at this.
I think it's been determined that the Iowa Urban Express has a larger gear on the crank for the kick starter which limits the travel of the front variator pulley.
I've never worked on a camino/hobbit, so I can't say. I'd be surprised if the urban express used compatible parts though.
A stock Urban should hit 32 MPH if it's in good tune and not an Iowa model. I'd start by trying to make your bike run the way it's supposed to before throwing aftermarket parts at it. Make sure the fuel system is clean and set right, including the auto choke. And make sure the exhaust isn't half clogged with oily gunk.The variator's not really suited to doing 60, but I thi
Some first gen Express carbs have a jet which just unscrews, others have carbs with pressed in jets. If yours unscrews, you can probably figure out how to upjet without any help. If not, you'll need to either enlarge the jet or replace the carb.You can also place the C-clip holding the throttle needle to the throttle slide in a lower position, which will make the fuel mix richer across all th
It's not a straight bolt on. The Urban Express and the regular Express have rather different rear shocks. Also, the urban's is much shorter. The back wheel would probably be against the gas tank before the shock reached.The second gen Express uses a shorter version of the Express's shock, if you really want to try it. I think even that would be too short though.You might just look a
They turn up on ebay fairly often. And don't forget craigslist.
The '81 engine bolts in place of the '80, but you'll also need to swap in the CDI parts, the '81+ back wheel, two piece throttle cable, 81+ airbox, etc. That'll give you the much improved carb, combustion chamber and larger clutch. I'm not certain, but I think the NA50 had the 2 speed tranny in '81, while the NC50 got it in '82.It's also possible to swa
The auto choke was added in '81. So you can only use the Spree head on a first gen (77-80) bike unless you're also willing to get rid of the second gen's auto choke carb.
The UExpress is higher compression, yes. So is the Spree.I'm pretty sure the Iowa Express had something different about the serial number, but now I can't remember what...