Question about 2005 Harley Davidson FXD - FXDI Dyna Super Glide

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Motor bogs out when i pull throttle

The motor bogs out when im passing someone on the freeway seems like to much gas. i changed fuel filter and O2 sensor i have a 2005 dyna glide

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First when you say it bogs, does the motor stutter or does it just go flat? A very good test to determine if the problem is to much fuel or a lean situation is while riding get in top gear with a load on the motor at full throttle. Slowly roll out of the throttle about 1/8th throttle and see if the motor picks up RPM's. I'm suspicious that you may possibly have a plugged air filter or perhaps something blocking the air inlet. Does the bike get worse fuel mileage? Have you checked the valve clearance lately? Tight valves are notorious for the problem you are having. Please contact me with test results and I can further diagnose your problem. I'm confident we can resolve your problem as soon as we determine which direction we need to go.

Posted on Nov 30, 2008

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1 Answer

Engine bogging at all speeds


Hi, Timothy start with # 10 and 11 if it is a California model check the evap/emissions canister for integrity and the usual suspects are:
1. Severely discharged or a damaged battery, should have 12.5 volts or better and be able to pass a load test if necessary.
2. Check battery terminals for damage or corrosion, check the battery cables at "BOTH" ends for loose, corroded, or broken connectors, "INSIDE" and outside the cable harness, perform connector wiggle test and check cables with an ohmmeter if necessary.
3. Spark plugs in bad condition or partially fouled.
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6. Faulty ignition coil, module, and or sensor.
7. Loose, dirty, or corroded ignition module connector at crankcase.
8. Faulty CKP or CMP, MAP, ETS, ATS, TPS, O2 sensor.
9. Intake air leak.
10. Water, dirt, or rust in the fuel system, carburetor and/or filter.
11. Fuel tank vent system plugged or carburetor vent line closed off.
12. Vacuum line from intake manifold to fuel valve is broken, cracked, pinched, or missing.
13. Carburetor controls misadjusted.
14. Damaged carburetor.
15. Incorrect valve timing.
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For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have nice a day.
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How do I fix keeway matrix/150 when throttle is given it bogs down and won't allow me to accelerate up to speed


That old gas had sediment in it and you need to remove the tank, fuel pump and filters and change them.

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2002 suzuki gsxr 600 bogs at 7,8 and 9 rpm..then when passed 9 after bogging and sputtering pass those rpm,it runs just fine from 9 to 14 rpm.it just recently started doing this.so from idle to 7 and


I assume you are using premium gas. If not you should. Check the plugs. If they are white the bike is running lean.. Make sure the gap is set correctley for your bikes spark plugs. Also check the jet sizes in the carbureator for your modifications and elevation. If the bike was fine and just needed a tune up i would pull the map off and reinstall the stock one.

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1 Answer

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Hi, Nickwagner20 and the usual suspects are:
1. Severely discharged or a damaged battery, should have 12.5 volts or better and be able to pass a load test if necessary.
2. Check battery terminals for damage or corrosion, check the battery cables at "BOTH" ends for loose, corroded, or broken connectors, "INSIDE" and outside the cable harness, perform connector wiggle test and check cables with an ohmmeter if necessary.
3. Spark plugs in bad condition or partially fouled.
4. Spark plug cables in bad condition and leaking.
5. Spark plug gap too close or too wide.
6. Faulty ignition coil, module, and or sensor.
7. Loose, dirty, or corroded ignition module connector at crankcase.
8. Faulty CKP or CMP, MAP, ETS, ATS, TPS, O2 sensor.
9. Intake air leak.
10. Water, dirt, or rust in the fuel system, carburetor and/or filter.
11. Fuel tank vent system plugged or carburetor vent line closed off.
12. Vacuum line from intake manifold to fuel valve is broken, cracked, pinched, or missing.
13. Carburetor controls misadjusted.
14. Damaged carburetor.
15. Incorrect valve timing.
16. Weak or broken valve springs.
17. Damaged intake or exhaust valve.
For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have nice a day.
Losing power bogging on Freeway High RPM Scary Help Please
http://www.starbikeforums.com/forums/18-engine-work/5238-engine-bogs-past-1-4-throttle.html
http://www.sloneservices.com/SilverBack/Other-Stuff/V-StarShopManual99-07.pdf
OEM parts for Yamaha
http://www.starmotorcycles.com/assets/service/manuals/2003/LIT-11626-16-05_22.pdf

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1 Answer

Its a 98 kx60 and it keeps bogging out when i ride every time i shift and when i start im mixing the gas right so thats not it


Mixing the gas right doesn't mean that your jetting is right. You need a clean air filter, and a good set of piston rings (good compression) to maintain a good running engine. If your main jet is too big (fat) it will let more fuel in at 1/4 to full throttle, and this may cause your bog.

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My bike seems to bog im not sure if its the gas or a stretched throttle cable but it sat for awhile and i took it into getting everthing fixed it runs great just feels sluggish threw my throttle


If the bike sat for quite a while, and you didn't drain the tank and carbs, your gas probably gummed up the carbs, jets, needles, etc. If you had them cleaned... this wouldn't be the problem although it could still be a fuel problem. Have you checked the fuel filter? I have found that using a gas stabilizer when the bike is not in use, keeps this from happening.

Before I ever take my bike into the shop, after winter sitting, I always run a mixture of Sea Foam (get it at Wal-Mart) with a full tank of gas for the 1st run of the season. This will take care of most fuel issues.

Hope this helps!

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1 Answer

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seems like you make have some debris clogging your fuel line. You may need to replace the fuel filter and clear the fuel hose. The reason that it takes off at full throttle, is because you temporarily clear the clog. Routine use of fuel injection/ carbeurator cleaners is always recommended to prolong fuel filter and fuel line life and prevent these things from happening. Good luck. I hope this helps.

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1 Answer

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Jul 28, 2009 | 2001 Yamaha WR 426 F

1 Answer

2004 vstar 1100 has a hypercharger,120&122.5 jets in carb,bub exhaust pipes at 3/4 to full throttle starts to lose power & misfire,below 3/4 throttle runs ok. Adjust valves to .004 intake,.006...


Hi, Ken5bro and the usual suspects are:
1. Severely discharged or a damaged battery, should have 12.5 volts or better and be able to pass a load test if necessary.
2. Check battery terminals for damage or corrosion, check the battery cables at "BOTH" ends for loose, corroded, or broken connectors, "INSIDE" and outside the cable harness, perform connector wiggle test and check cables with an ohmmeter if necessary.
3. Spark plugs in bad condition or partially fouled.
4. Spark plug cables in bad condition and leaking.
5. Spark plug gap too close or too wide.
6. Faulty ignition coil, module, and or sensor.
7. Loose, dirty, or corroded ignition module connector at crankcase.
8. Faulty CKP or CMP, MAP, ETS, ATS, TPS, O2 sensor.
9. Intake air leak.
10. Water, dirt, or rust in the fuel system, carburetor and/or filter.
11. Fuel tank vent system plugged or carburetor vent line closed off.
12. Vacuum line from intake manifold to fuel valve is broken, cracked, pinched, or missing.
13. Carburetor controls misadjusted.
14. Damaged carburetor.
15. Incorrect valve timing.
16. Weak or broken valve springs.
17. Damaged intake or exhaust valve.
For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have nice a day.
http://www.starbikeforums.com/forums/49-v-star/9084-v-star-acting-very-sluggish-sputtering.html
Losing power bogging on Freeway High RPM Scary Help Please
http://www.sloneservices.com/SilverBack/Other-Stuff/V-StarShopManual99-07.pdf
OEM parts for Yamaha
http://www.starmotorcycles.com/assets/service/manuals/2000/LIT-11626-13-36_96.pdf

Jun 24, 2009 | 2004 Yamaha V Star 1100 Classic

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