December 13, 201510 yr A less worn TY175 carb! Seriously though, what are you trying to achieve - more power, more low rev torque, other?
December 13, 201510 yr I would try giving it a full rebuild first. You would be amazed how much of a carbs workings can wear and cause poor running. Get it properly cleaned if you can get it ultrasonically cleaned it's worth it. Then treat it to some nice new part. I would look at all seal, o rings and gaskets, needle and needle jet, possibly slide and air adjustment screw. I've never used them personally but these people have come highly recommended. http://www.motocarb.com
December 15, 201510 yr Having looked at the price of parts and the price of OKO carbs I would be tempted to try one of those first. They seem to get some good reviews as well.
December 15, 201510 yr Having looked at the price of parts and the price of OKO carbs I would be tempted to try one of those first. They seem to get some good reviews as well. be aware a lot of oko carbs are cheap chinese copies you need one made in taiwan.i fitted a 26mm on my ty 175 with bigger airbox and birkett modded barrel plus lightened flywheel it now run great but a lot of work required.
December 15, 201510 yr be aware a lot of oko carbs are cheap chinese copies you need one made in taiwan.i fitted a 26mm on my ty 175 with bigger airbox and birkett modded barrel plus lightened flywheel it now run great but a lot of work required.I noticed that on the link feetupfun put up. I certainly found the irony in a company that started out copying Keihin carbs warning about cheap copies!
January 13, 201610 yr Could you compare it to eg. Jitsie CNC master cylinder covers and Apico CNC master cylinder covers....? I mean they're all essentially the same aren't they with some slight variations...
January 13, 201610 yr The copy OKO is quite different inside, as well as a couple external differences. The proper OKO pilot and main jets are different as are their housings and don't fit the copies. I think the slide is a different size as well. The copy jets aren't numbered which is useful... OKO seem scarce in the UK at the moment, very rarely for sale on ebay, I have never tried OKO UK. They work well though, I have them on some bikes.
January 13, 201610 yr Try Mid-Atlantic trials.com.He is the guy to go to here in the US for OKO carbs.It may be that shipping cost are too high,but worth a look.
February 18, 201610 yr Smokey125' Thanks for the link to the motocarb man , just ordered some bits for carb (what a helpful and knowledgble guy ) Price is very good to, again what a great forum Cheers,
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