loud intake

93 marathon · 03-31-2016, 11:04 AM

hey guys, im kinda confused as to where to post this, but i'm gonna try it here.
i was gifted a ydra engine, so i rebuilt my 98 txt and used this engine. it runs really strong on low end not so much on high end. my problem is, being i didn't get the factory air box, i just bought a K&N cone filter. it sounds like it has straight pipes. i blocked the filter off and it was a lot quieter but lost the power. i built an air intake with PVC 4" with a cap and some holes. it helped some but not enough. i am about to try to put some baffles in it. i have serious doubts that it will help at all. any ideas? also what "G" should i be buying parts for? havnt really found very many parts for ydra, mainly oversized jet.

Dave in VA · 03-31-2016, 11:53 AM

YDRA = G29

The carb is the same as the G22, if I'm not mistaken...

http://www.cartpartsplus.com/carb-je...=yamaha%20jets

93 marathon · 04-01-2016, 09:06 AM

thanks for the info. im getting the jet today. i baffled the intake and it made it bearable. it sounds like a four wheeler now instead of a pulp wood truck.

SandbaggerYDRA · 04-03-2016, 11:28 AM

Quote:

Originally Posted by 93 marathon

thanks for the info. im getting the jet today. i baffled the intake and it made it bearable. it sounds like a four wheeler now instead of a pulp wood truck.

What are you using for a muffler?

I have this engine in my G29 cart. After doing airbox mods, I noticed a louder, "throatier" sound due to increased intake flow, but it was nowhere near what you would get from a Quad or side-by-side. Most of that noise is exhaust related.

93 marathon · 04-04-2016, 06:43 AM

exhaust is factory for that engine. but, there wasn't enough room to mount it under the seat so i made a header and ran it to the back right behind the axle (stock muffler welded to the back of header). i found a stock air box and ordered it. hopefully that will help. i dont mind a little throaty sound but this is a loud thoaty sound. its fine just riding around the yard, but we (me, wife, 3yr old) we go riding several miles at a time, several times a week. when its running 1/2 throttle steady, its nerve racking.

03-31-2016, 11:04 AM	#1
93 marathon Not Yet Wild Join Date: May 2014 Location: Georgia Posts: 20	loud intake hey guys, im kinda confused as to where to post this, but i'm gonna try it here. i was gifted a ydra engine, so i rebuilt my 98 txt and used this engine. it runs really strong on low end not so much on high end. my problem is, being i didn't get the factory air box, i just bought a K&N cone filter. it sounds like it has straight pipes. i blocked the filter off and it was a lot quieter but lost the power. i built an air intake with PVC 4" with a cap and some holes. it helped some but not enough. i am about to try to put some baffles in it. i have serious doubts that it will help at all. any ideas? also what "G" should i be buying parts for? havnt really found very many parts for ydra, mainly oversized jet.

03-31-2016, 11:53 AM	#2
Dave in VA maintaining a low profile Join Date: Oct 2009 Location: SW Virginia USA Posts: 6,314	Re: loud intake YDRA = G29 The carb is the same as the G22, if I'm not mistaken... http://www.cartpartsplus.com/carb-je...=yamaha%20jets

04-01-2016, 09:06 AM	#3
93 marathon Not Yet Wild Join Date: May 2014 Location: Georgia Posts: 20	Re: loud intake thanks for the info. im getting the jet today. i baffled the intake and it made it bearable. it sounds like a four wheeler now instead of a pulp wood truck.

04-04-2016, 06:43 AM	#5
93 marathon Not Yet Wild Join Date: May 2014 Location: Georgia Posts: 20	Re: loud intake exhaust is factory for that engine. but, there wasn't enough room to mount it under the seat so i made a header and ran it to the back right behind the axle (stock muffler welded to the back of header). i found a stock air box and ordered it. hopefully that will help. i dont mind a little throaty sound but this is a loud thoaty sound. its fine just riding around the yard, but we (me, wife, 3yr old) we go riding several miles at a time, several times a week. when its running 1/2 throttle steady, its nerve racking.

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