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Old 09-24-2012, 11:19 PM   #1
Jason66
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HELP, Need ur vast Knowledge

I Have a 2005 Yamaha R6, added a sprocket kit toooth down and i had a high mount exhaust i took it off added a gpx type pipe like a new gsxr has, sat for a year as i was replacing tire chain sproket, and pipe, added a new battery ready to get her on the road, starts fine gas good, runs like a$$, on idle its kinda ruff, rpm seems low to me, but when i rev it its really bogged down, same when i drive it, just lacks power smell of extra gas, someone told me i messed up the back pressure and its needing to be tuned, help please???
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Old 09-24-2012, 11:26 PM   #2
Patrick
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Quote:
Originally Posted by Jason66 View Post
I Have a 2005 Yamaha R6, added a sprocket kit toooth down and i had a high mount exhaust i took it off added a gpx type pipe like a new gsxr has, sat for a year as i was replacing tire chain sproket, and pipe, added a new battery ready to get her on the road, starts fine gas good, runs like a$$, on idle its kinda ruff, rpm seems low to me, but when i rev it its really bogged down, same when i drive it, just lacks power smell of extra gas, someone told me i messed up the back pressure and its needing to be tuned, help please???
If it has sat for a year did you drain the old fuel?
If so, try running a couple of tankfuls of Seafoam through the fuel system.
If that doesn't cprear it up you may need to have the pump and injectors cleaned.
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Old 09-24-2012, 11:32 PM   #3
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so the thing about back pressure is bs, u dont have to tune it after u put a shorty exhaust on it
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Old 09-24-2012, 11:59 PM   #4
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so the thing about back pressure is bs, u dont have to tune it after u put a shorty exhaust on it
You should, but if you uave old fuel in it or it's been sitting a long time than that's a much larger concern.
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Old 09-25-2012, 12:07 AM   #5
AYEELE
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if it sat for a year.. gas could be bad. also a straight pipe style exhaust will make you lag in the lower rpms ..
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Old 09-25-2012, 12:12 AM   #6
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thanks Patrick n AY ill try sea foam first if not do u tune bikes to suit the gpx exhaust?
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Old 09-25-2012, 12:14 AM   #7
Jason66
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Ur the one who set me up when i started riding with my Jacket n gloves, u sold me a fieldsheer jacket n some carbon knuckle alpine star gloves man i still have jacket gloves have paid there due.
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Old 09-25-2012, 08:16 AM   #8
Patrick
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Good to see you getting back on the bike.
If after draining the fuel and running a couple of tanks of Seafoam through it you're still having problems, bring it by.
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MAKE SURE TO MENTION YOU'RE ON MH TO GET THE BEST PRICE!

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muad

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Houston, TX 77090
Hours: Tues.-Fri. 9:30-6:00 Sat. 9-5:30
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Old 09-25-2012, 10:40 PM   #9
Jason66
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tank was 1/8 full ran most of it out testing it yesterday before i got on here, filled up with 93 and added sea foam, no change, checked plugs dont appear to be fouled, i couldnt get that heat plastic shield back in bring to u to fix me up right.
Gonna drop off tomorrow. im glad to get it going again to had a baby shes one now and now me n momma need a getaway so time to hit the streets and enjoy not being trapped in a cage with a baby chair!
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