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Gwatson212
07-03-2014, 02:07 PM
What are some things I could change on my 200x so that I could have more power and speed? It's a 200x 1984.If you don't mind send a link to the product please.

KevinJ97
07-03-2014, 06:09 PM
You could upgrade your sprockets for one. Thats all i know im fairly new to this.

f76
07-03-2014, 07:13 PM
Simple bolt on parts would be exhaust, air filter, sprockets, bigger carb.

KevinJ97
07-04-2014, 05:26 AM
Cheapest upgrades will be the air filter and sprockets

DohcBikes
07-05-2014, 12:54 PM
It depends on the condition of the engine and your actual skill level. If it is old and tired like most, your best power gain would be through a rebuild. Exhaust with jetting to match will make noticeable gains.

RPMRestorations
07-05-2014, 09:51 PM
High compression piston, cam and porting!

DohcBikes
07-05-2014, 10:03 PM
High compression piston, cam and porting!which will cost you roughly the same as two complete 200x' if you cant do the work yourself. We don't know the o.p.'s skill level.

prometheus
07-05-2014, 10:58 PM
which will cost you roughly the same as two complete 200x' if you cant do the work yourself. We don't know the o.p.'s skill level.

It'd be a great way to learn! I'm with RPM, if your gonna hot rod it HOT ROD IT! Dome piston, hotter cam, port, bigger carb.

DohcBikes
07-07-2014, 11:58 AM
Ya, whatever. Talky talky.

RPMRestorations
07-07-2014, 05:11 PM
I just built a 200x motor. No stroker crank :( but wiseco 12:1 piston, largest cam webcams inc offered along with the heavy duty valve springs, titanium retainers and steel base washers. Also have a ported head.

Gwatson212
07-07-2014, 05:52 PM
How much did that cost u? I'm not really looking to spend a whole lot.

Gwatson212
07-07-2014, 10:00 PM
Would a mikuni 30 mm carb fit and help?

200x350xtriz250
07-08-2014, 07:38 PM
I'm no expert but adding a 30mm carb to a stock motor will gain you little to nothing in and of itself. Now if you remove the air box lid, change the air filter and add a performance exhaust, you will get more out of a bigger carb, but at 30mm you will probably still have more carb than really needed. Also do you know how to jet it? Just clamping on a bigger carb is not the end of the process. To get the most out of your bike, a more thorough and expensive process is required as explained above - big bore, high compression piston, stroker, cam along with exhaust, air box/filter changes and carb work. I wouldn't call sprockets performance parts but they can get the bike set up the way you need it for your use.

My suggestion to you would be to remove your air box lid, find a good aftermarket exhaust, jet it properly using the stock carb and add some hubs from a newer quad that offer a little wider stance to add stability. Stock TRX450r, 400ex, 300ex, 2nd gen 200x etc should all fit your 1st gen 200x axle and offer and inch or so extra width to each side. Then I would suggest setting the bike up for the way you use your bike. If you ride long, high speed, wide open trails/tracks set the bike up for that with a larger front sprocket and/or a smaller rear sprocket - acceleration will be a little slower but your top speed will be higher. If you ride tight trails or small tracks, faster acceleration would be helpful - use a smaller front sprocket and/or larger rear sprocket - acceleration will be faster but top speed will be less. Tires can also do this for you but are more expensive and also affect ground clearance.

Gwatson212
07-08-2014, 08:23 PM
No. I don't know how to jet a carb.

200x350xtriz250
07-08-2014, 08:49 PM
No. I don't know how to jet a carb.

Jetting a carb is very important to get the most out of your bike's engine performance regardless of what mods you do to it. I am not skilled enough to instruct someone else how to do it but feel comfortable doing my own. If you are mechanically inclined and have some mechanical common sense there are some helpful tutorials available that will help you out - try out the search feature. Main thing is to find the jet to adjust/change based on the rpm range. There are 4 main adjustments that I can think of - pilot jet, air/fuel screw, needle jet and main jet. Many manuals have a chart showing what rpm range they affect - ie - idle, 1/4 throttle, 1/2 throttle, wide open throttle. Each jet overlaps the next. Unless you want to learn how to, know someone that can or are willing to pay someone else to jet it, I would avoid making any exhaust, carb or air box mods mentioned earlier.

Add some wheel spacers or hubs mentioned earlier to add some stability, which helps with cornering and get it geared for your riding area using tires and/or sprockets and I bet you will enjoy the changes. What type of riding do you do? Wide open, full throttle in open spaces or tight, short bursts going up and down through the gears?

Gwatson212
07-08-2014, 08:52 PM
Thanks. I'll go watch a few tutorial and give it a shot. Thanks!

200x350xtriz250
07-08-2014, 08:58 PM
Check out this thread:
http://www.3wheelerworld.com/showthread.php/55086-Carb-Jetting-101-Terms-Tips-and-Jetting-Theory

Gwatson212
07-08-2014, 09:09 PM
Open spaces mostly. I'll look into some wheel spacers and I'll give jetting the carb a try. Thanks!!

Gwatson212
07-08-2014, 09:11 PM
So should I get it to where I have a higher top end?

dmfaulks85
07-09-2014, 03:07 AM
Wiseco 10:25:1, punch it out a bit, cam, valves, valve springs, port and polish the head, sprockets. Should wake it up a bit.

DohcBikes
07-09-2014, 10:56 AM
Once again more talky talky. You fools keep telling people to take their engines apart after he already clearly said he does not know how to JET.

I implore all that suggest motor work to prove they did the work, show what it cost, and post a current bid of it running properly. Don't forget to prove that its faster than stock too.

Leave it alone and RIDE IT. When it breaks, then you learn.

So many people here spout off about rebuilding engines. Hardly EVER do we see a finished engine build here, and this is why.

Don't tear your engine apart if it already runs good. Unless you are willing to accept failure and lost money. Not saying you CANT. Saying you SHOULD NOT.

200x350xtriZ250 has the right answer here. Start small people.

DohcBikes
07-09-2014, 11:16 AM
I just built a 200x motor. No stroker crank :( but wiseco 12:1 piston, largest cam webcams inc offered along with the heavy duty valve springs, titanium retainers and steel base washers. Also have a ported head.
Hows it run? Dont TELL ME. SHOW ME.

Who ported your head? What are the flow numbers? How much did they increase the flow at .400 lift?

Which model cam? What's the lift, duration, LSA on that?

What did was your valve stem to guide clearance?

What did you set your ring end gaps at?

What jets are you running?

Anything else you can TELL us?

oldskool83
07-09-2014, 11:28 AM
for the money sped on making a 200x have more power you can buy a 350x....been there, its really not worth it.

Best bang for buck is finding a used XR200 cam and a XR200 carb and an exhaust...that alone will set ya back $300 prob.

jb2wheels
07-09-2014, 11:54 AM
for the money spent on making a 200x have more power you can buy a 350x...

x2

Do it and you'll never look back.

I'm not a 200X hater. I had 2 nice ones for a while. Once I bought the 85 250R and finished the 85 350X, the 200X's never got ridden. One sat for a year gathering dust before I cut the cord and sold it.

Excellent trail machines but not enough Wheaties for my (m)ass in the sand and not cost effective to hop 'em up.

oldskool83
07-09-2014, 12:45 PM
I had 6 grand in a 200x, it was still slow...a 125 2stroke eats them. sad but true. IDK what you do to them...big motors rock, smalls ones are for play.

200x350xtriz250
07-09-2014, 07:31 PM
So should I get it to where I have a higher top end?

Only you can answer that. Be honest with yourself before changing anything. Where/when you ride do you find yourself in high gear and wide open throttle for long periods of time? If so, then yes I would start by going up 1 tooth on the front sprocket. If that helps but you need more try going up another tooth if available. If you can't go bigger on the front, you can go smaller in the rear maybe to a 36. Changing 1 tooth size on the front is equivalent to 2 or 3 teeth on the rear. Stock sizes are 12 or 13 up front (not sure which) and 40 in the rear. I think the max size in the front that will fit is 14 or 15 (again not sure).

If you are serious about other changes that will require rejetting, I'd start by getting those parts(exhaust, air filter, etc) as well as a carb rebuild kit and some larger main jets. Stock main for the 200x is around 108. You should be able to find a set of 5 mains that include 110 112 115 118 120 or so that will give you plenty of adjustability.

200x350xtriz250
07-09-2014, 07:48 PM
http://www.ebay.com/itm/TRX450r-REAR-HUBS-2005-Honda-TRX-450r-TRX450er-450-04-05-LOOK-/151348536098?pt=Motors_ATV_Parts_Accessories&hash=item233d136322&vxp=mtr

http://www.ebay.com/itm/KEIHIN-CARBURETOR-MAIN-SPEED-JET-ATC200X-Five-Pack-s-105-108-110-115-118-CARB-/191241706892?pt=Motors_ATV_Parts_Accessories&hash=item2c86e4dd8c&vxp=mtr

http://www.ebay.com/itm/83-85-Honda-ATC-200X-Carburetor-Kit-Rebuild-SH03-008-/281374718944?pt=Motors_ATV_Parts_Accessories&hash=item41833d7be0&vxp=mtr

http://www.ebay.com/itm/Sunstar-Sprocket-Front-13T-520-Steel-Fits-Honda-ATC200X-1983-1985-/310988662724?pt=Motorcycles_Parts_Accessories&hash=item48685e67c4&vxp=mtr

http://www.ebay.com/itm/REAR-SPROCKET-ATC200X-83-85-7075-Aluminum-Sprocket-Specialists-37-44-tooth-QPS-/380823601969?pt=Motors_ATV_Parts_Accessories&hash=item58aadb0331&vxp=mtr

http://www.ebay.com/itm/UNI-Two-Stage-Foam-Air-Filter-Honda-ATC200X-1983-1985-/181237467858?pt=Motors_ATV_Parts_Accessories&hash=item2a32984ad2&vxp=mtr

http://www.ebay.com/itm/85-honda-ATC-200-x-200x-cobra-exhaust-muffler-pipe-/261526685585?pt=Motors_ATV_Parts_Accessories&hash=item3ce4348791&vxp=mtr

DohcBikes
07-09-2014, 08:19 PM
I briefly scanned both helpful posts above and just want to note that the largest front sprocket to fit a stock engine with case saver in place is 13. Stock is 12