I am so tired of this damn thing.

[storm_impulse]

im so tired of my 200x. ever since i got the damn thing i think i am doomed to ever geting this thing to run right. i know my carb is a POS but it has ran good before. damn thing wont start unless i push start it. when it warms up i can kick start it. my top end started knocking today:( just rebuilt. everything new. WTF is going on. my oil is good. running 10w 40 in it. no oil leaks. WTF!!!!!!!!!!!!!! my plug is black. so i know its running rich but it dont smoke. i messed with the air/gas screw but does nothing for it. i took the carb apart and blew all the ports out with air. cleaned the whole carb with carb and choke cleaner. everything is bling bling clean but the trike is being a total ass. any ideas? timing is right on its marks.. i can wind 5th gear out doing like 25?????? sucks.......

[firefirefire90]

I think your jetting is off by a LOT. You are running a 12:1 ratio piston with the carb I am guessing? I think race gas also screws with your jetting a bit(might be wrong). I think you need to step up to an XR200 carb and start messing with the jets.

[storm_impulse]

thats what i been told. im running a stock 12:1 on my x. my other x motor has a 1mm 12:1 and it runs good with the stock carb and jeting. i was gonna swap motors but the other one is for my kart. so running a standard bore 12:1 would require a xr200 carb since it can enduce more air into the motor to even out the mixture? i ran regular 93 octane and it ran pretty good, not the best but was fun. i added 97 grade gas and bumped the octane to 102 and it seemed even better untill yesterday when it wouldnt even carry my ass. could this be y its knocking now? maybe i over did it on the gas.

[Dirtcrasher]

12:1 - Half the guys here can't get standard compression motors to run right, but it sounds like you have good luck with your other 12:1 motor. I personally wouldn't even want to deal with the race gas but thats me.

Why would a just rebuilt motor start knocking? Why would a 12:1 motor run on stock jetting on one motor well but top out at 25 mph on another?

I agree that your jetting is probably WAY off and how much more air can a 2 or 3mm larger carb really let in? Of course it's an improvement but it goes along with the correct jetting, exhaust and no air box lid.

Does it have a very very aggressive cam? It should....

Whats it test for compression? We got 150lbs out of a 200X with a 10.5:1 piston I just rebuilt.

[storm_impulse]

it does have a wicked cam, cobra exhaust, no air box lid, im thinking my valve springs are crap. there new oem replacments cause i couldnt afford another set of heavy duty ones from webcam. the compression is crazy, i dont have a tester but its a horse to kick. i sat here and looked at bike bandit for 2 hours and noticed im missing some parts in the carb. 2 o-rings and a spring for the air/gas screw. maybe thats why when i adjust the screw it has no affect plus the o-rings are prolly causing problems 2. i wish TRR would hurry up and send my other carbs. then i would have all the parts i need. the xr200 carb is going to be a upgrade forsure. 30mm, that should wake it up some:twisted:

[wizzard]

"i can wind 5th gear out doing like 25?????? sucks......."
sounds like your clutch, which doesn't have anything to do with the rest of your problems. hope this helps...

[mdunn]

It sounds like you better stop riding it and find out what is worng before you destroy the whole motor. I ran a 1985 X with a Wiseco 12.5:1, Curtis Sparks Cam, and HD valve springs with the stock carb rejetted for several years. Would stay with the 350x's. My guess is the knocking you are hearing is something that went south in your valve train rebuild and either the intake valves aren't opening, or you bent a valve or something causing no compression. Have you checked compression? Mixing the fuel the way you did is not going to effect anything like you are mentioning. Take a step away from it for a day and then start running some basic diagnbostics to see why the power is way down. My guess is you are going to find something fundamentally wrong...

[Dirtcrasher]

A camshaft site says you absolutely must use the race springs. Not too mention that with the very aggressive cams you have to check a ton of clearances such as when the spring is totally compressed.

[ceaserthethird]

Yes with a agressive Cam you must run the Heavy Duty Springs ... Carb Must be Jetted Correctly -(for this best to start ! )

I hope you didn't Damage the Motor !

[Nick_R_23]

About the knocking, FIND OUT WHY ITS KNOCKING!!!! Both my 200 motor and my friends 200x motor were knocking, both for different reasons though. On my motor, the flywheel came loose and completely junked itself and the crank. On my friends motor, one of the wrist pins came out and you can imagine what damage that caused,,,,the entire top ends junk now. Either way both motors turned out junk and need major work. Both had just been rebuilt too.


"i can wind 5th gear out doing like 25?????? sucks......."
sounds like your clutch, which doesn't have anything to do with the rest of your problems. hope this helps...

I agree, check your clutch, most likely the reason here. Does it feel like somethings slipping??

And your carb, all the 200 carbs leaked and that kinda thing a lot, buy a rebuilt kit on ebay, it makes worlds of difference.

-Nick :TrikesOwn

[storm_impulse]

i think i might have figured out why it was knocking. when i did the rebuild i swaped the top head cover from a compression release cover to a non release cover. i put my old cover on and hooked up the release lever and 2nd kick started right up? i was totally shocked. it still wont idle but drives ok. i parked it and took the carb off, waiting for a new one. once i get a new one i should be 1 step closer to figuring out this mistery.

[Nick_R_23]

Pull off the cover and check the flywheel anyway, it takes not even a minute and I can speak from experience that you would rather do that then have to tear that motor completely apart again and buy another crank. Something else, the flywheel might be causing your problems too, if its loose or the key is sheared it can move the timing around and make it not run very well.

-Nick :TrikesOwn

[NINJA]

I agree with dirtcrasher, you have to run the HD springs with an aggressive camshaft. Otherwise, it's going to compress the tighter wound stock coils so that they bind or they could also not be able to rebound fast enough at high rpms because of the cams aggressive grind and they start to float. How many times do I have to stress that when you internally mod a motor, YOU HAVE TO MATCH EVERYTHING! Also, some motors have to have their rocker box relieved or the dome of the piston for clearance issues with the rocker arms or valve faces.

[storm_impulse]

ok i called webcam and the price for the spring kit aint bad. i have a few other things i gotta take care of. i put the stock cam back in and a diffrent head just so i can ride it when i get a carb that works. i took the clutch cover off and found that the 4 bolts with the springs on the clutch were loose. after tightening everything up it dont slip and deosnt knock. my plug is black as hell so it will stay parked for a few days. i think the problem now is where im missing parts in the carb. it runs but no idle.

[Black86tri-z]

you really think trr is goin to send you a carb? lol your probely going to get beat