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Old 08-15-2013, 11:15 PM   #1
iMoon1221
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stock muffler or after market?

i got my gz in a trade. when i got it it didnt have a muffler. i need one so ive been looking. on ebay all i can get is the whole system, pipes and muffler, for around 120. iv seen aftermarket slip ons much cheaper. so my question is what is the best desicion. go stock so i dont have to worry about compatibility and rejetting. or save money and go for the after market?



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Old 08-16-2013, 08:42 AM   #2
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Re: stock muffler or after market?

I think if you want to get the most out of this bike your going ot have to rejet eventually. It is very cheap as jets cost a couple dollars at most and it'll give you great experience with working on your bike. I took 2-3 weeks to find the right jet after I went to a slip on exhaust. Rode it, changed a jet when I was home (literally 5 mins work), rode it the next day, changed the jet, rode it, etc until I found what I liked.

Slip ons are cheap and pretty easy to install. Make sure the pipes and the slip on are same size but otherwise it's a breeze.
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Old 08-16-2013, 10:07 AM   #3
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Re: stock muffler or after market?

i dont why, but im a little intimidated by rejetting. i guess i just need to do a little research, put on my big boy pants, and give it a try lol

can i buy a pack with different sizes?
would you recommend the slip on you got?



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Old 08-16-2013, 10:15 AM   #4
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Re: stock muffler or after market?

I would recommend going to your local Suzuki dealership and getting one of each of the main jets above 120. (122.5, 125, 130, 135, 140) At the most, that will cost you $20 and you'll have spares that you won't use after it's all said and done that you can sell here on the forums.

I will go ahead and tell you that most people settle for a 130 or a 135 with just an exhaust change. I think the richest we have seen here on the forum is a 140-145 and that's with a custom intake and exhaust.

There is more then enough information here on the forum regarding how to do this. Read as much of it as you can to wrap your head around what you're actually doing. It's really not difficult. Seriously. But just remember to only change one variable at a time or you will forget what you did and then adjust something that doesn't need adjustment and then you'll be posting something like "Jetting nightmare - Why won't my bike run perfectly?"

Step. By. Step.

If you can change your oil you can pull your carb.
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Old 08-16-2013, 10:55 AM   #5
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Re: stock muffler or after market?

thanks for the encouragement and the info. i needed both. im going to do some reading and hopefully start today



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Old 08-16-2013, 01:17 PM   #6
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Re: stock muffler or after market?

Seriously, I felt the same way 6 months ago but after doing it I realize the biggest hurdle was getting over my fear that I was gonna screw something up. After I got over that it's been balls to the walls modifying since. Hell I even took a shot and painting my tank.

If you wanted a bike you'd never mess with you should have bought a HD, and we all know who buys Harleys....dentist. Nuf said
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Old 08-16-2013, 05:39 PM   #7
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Re: stock muffler or after market?

ha exactly what i keep trying to tell myself. i got lucky and got the bike really cheap. so i shouldnt feel bad aying with it. i decided to try some stuff today but was cut short by rain :/
i did the needle shim mod. it went smooth. i didnt get a chance to test ride it though. i bought a jet. the closest thing the shop by me had was a 40 so i figured id give it a try. and that seems to be a pretty popular option on this side. but i have a question and a potential problem. is the jet located on the bottom of the carb? because one of the two screws holding the carb to the engine is completely stripped o_O
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Old 08-19-2013, 08:19 AM   #8
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Re: stock muffler or after market?

carb to the engine. Are you referring to the rubber piece that goes between the carb and the engine or are you referring to somewhere else.

And yes the main jet is underneath the carb. You will probably loosen the hose clamp and rotate the carb towards you so that you can see and access the bottom.
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Old 08-19-2013, 10:42 AM   #9
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Re: stock muffler or after market?

A small pair of vice grips work wonders on screws who at least have a small amount of head exposed. The float bowl is metal so you shouldn't damage it in the process. But be careful not to bugger those screws too badly as well. You can't get those from Home Depot.
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