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Raptor 350 choking out

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Old Mar 26, 2016 | 05:53 PM
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Default Raptor 350 choking out

I gotta raptor 350 it was running fine then bogged out n stalled n it was like the battery was dead then I jump started it n it wouldn't start unless choke was on full n if u hit the throttle it will bog n stall or turn choke off it boggs n stalls any ideas what the problem maybe?
 
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Old Mar 26, 2016 | 06:07 PM
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Check the battery and connections out first.Check/drain fuel if you suspect it of being a problem. If it still acts up,might be time to go into the carb with a new kit.Shindy Carb Carburetor Repair Kit for Yamaha YFM350R 04 08 03 322 | eBay
 
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Old Mar 27, 2016 | 03:57 PM
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Originally Posted by old polaris tech
Check the battery and connections out first.Check/drain fuel if you suspect it of being a problem. If it still acts up,might be time to go into the carb with a new kit.Shindy Carb Carburetor Repair Kit for Yamaha YFM350R 04 08 03 322 | eBay
It has a jet kit in it with a hmf slip on I forgot to mention tht I never tore it apart to see what the setting were because it ran fine but one other problem I noticed was when the engines hot it revs or idles really high
 
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Old Mar 27, 2016 | 04:41 PM
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Again load test the battery and check connections as a bad battery can cause problems. If you've eliminated this,then if rpms still rise when it gets warm,it could be running lean on jetting or you may even have an air leak. When it revs up you can spray some wd40,contact cleaner around the intake manifold,head and base gaskets and see if engine rpms drop.If it doesn't then I'd crack open the carb.
 
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Old Mar 27, 2016 | 04:47 PM
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Originally Posted by old polaris tech
Again load test the battery and check connections as a bad battery can cause problems. If you've eliminated this,then if rpms still rise when it gets warm,it could be running lean on jetting or you may even have an air leak. When it revs up you can spray some wd40,contact cleaner around the intake manifold,head and base gaskets and see if engine rpms drop.If it doesn't then I'd crack open the carb.
Brand new battery but on the positive terminal tht goes to solenoid the connection has some fraying wires but solenoid is new n rectifier is new also back fires n pops in carb thank you for ur help n insight it's been very helpful
 
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Old Mar 27, 2016 | 07:19 PM
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Take the carb apart and clean, blow out the jets and write down the # of each jet. If you don't have an inline filter add one. Once you get it back and running , do a couple "plug chops" to verify your not running too lean. I'd err on 1 size richer main jet.
 
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Old Mar 29, 2016 | 01:40 PM
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Originally Posted by hydrex
Take the carb apart and clean, blow out the jets and write down the # of each jet. If you don't have an inline filter add one. Once you get it back and running , do a couple "plug chops" to verify your not running too lean. I'd err on 1 size richer main jet.
Tightened up battery connection clean all connectors put jump pack on to jump start it fires right up throttle response is there now but backfiring n popping in carb is still there
 
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Old Mar 30, 2016 | 01:30 AM
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If you have to go into the carb,remember this kit.http://www.ebay.com/itm/Shindy-Carb-...mtr&rmvSB=true
 
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