185s and 200x

[jsimonh]

My project trike has me at a loss. I know the trike is a 1985 200x with a 1983 185s motor (thanks Howdy ). Everything on the trike seems to be off the 200x, until today when I was looking at some gears on Dennis Kirk.com. My front sproket has 11 teeth and the rear has 42. The 11 on front seems to be the standard for a 185s and so does the 42 on the rear . I was looking at getting a larger (12 tooth) front sproket and a smaller rear sproket. When I began looking I noticed that the listings for the 200x rear sproket are alot smaller (tooth wise) than what I currently have . The chain is a 520. My question therefore is: Is it possible that the 185s axle was put into the 200x swingarm? and Would I have to buy a whole new axle to get the proper sprocket holder for the 200x rear sprocket or could I trade out the piece that holds the sprocket?

[ATCnut]

The 185s axle is way different than the 200x one. I would guess that they bolted the 185s rear sprocket to the 200x sprocket hub. Probably all you need are new sprockets.

[jsimonh]

So the 185s rear sprocket and the 200x rear sproket are interchangable? If so I will order a new 200x sproket.

[83185s]

you can also use a 200x front sprocket and kicker up to a 13 tooth front..if you want to...youll get some speed outa the little engine..guranteed..it may take a bit longer but youll get there...if youve got some mods done to it then that would be even more bad ace...like a 200x top end and carb...it would be a pretty bad 185 then

[jsimonh]

What would be a good ratio for the front and rear? Right now it is 11/42. I was thinking 12/40 or 12/35, which would give the best accelaration/speed?

[83185s]

my 200x is at 13/40 and it goes 60 so a 12/35 should go faster..

[jsimonh]

Can someone tell me how many bolts hold the rear sproket on a 185s and a 200x? The one I have has 5 holding it to the sproket hub. Trying to decide which to buy 185s/200x rear sproket. I'm still worried about it fitting.

Thanks

[leprogle]

I also have an 83 185s in a 200x chassis. I was running 13, 36, and I COULDN'T get in 5th gear! it would not pull at all!! however she moved right along in 4th! my top end is quite wore, and possibly with a good top end, it might be fine, but i would suggest a bit of modding, if you're planning on running 13/36

[jsimonh]

I ended up going from a 11/42 setup to a 12/40 setup. That last post got me to worried to go under 40 on the back ! I know it's not much but maybe it will give me a little more speed.

[83185s]

yea ull have more speed than 11/42..not as much acceleration but more speed...200x rear sprockets are 5 bolt, 185s's are 4 bolt with rubber grommets that if you dont pay attention they will wear out...btw..you should ht about 55mph with those gears

[jsimonh]

If it can get to 55mph that will be plenty for the things I will be doing with it.

Do you think it will lose a lot of acceleration?

[83185s]

not really..its only gainin about 5-8 miles an hour..my stock 185 did 48