Question about 2001 Yamaha YZ 426 F

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My 01 yz 426 is super hard to start and was just rebuilt wat should I check

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Hi, Bmalechek1 and the usual suspects are:
1. Spark plugs in bad condition or have an improper gap or are partially fouled.
2. Spark plug cables in bad condition.
3. Battery damaged or nearly discharged, should have 12.5 volts.
4. 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.
5. Throttle controls not adjusted correctly.
6. Water or dirt in the fuel system.
7. Water or dirt in the carburetor.
8. Intake air leak.
9. Fuel tank vent hose and vapor valve plugged, or fuel line closed off, restricting fuel flow.
10. Enricher valve inoperative.
11. Engine lubricant to heavy (winter operation).
12. Ignition is not functioning properly (possible sensor failure).
13. Faulty ignition coil.
14. Valves sticking.
For more information about your issue and valuable "FREE" downloads that you will need please visit the websites below. Good luck and have a nice day.
Dirt Rider Magazine
How to Start YZ426F Easily
Yamaha YZ426F Owner Service Manual
OEM parts for Yamaha
Yamaha YZ450F Owner Manual Page 3

Posted on Aug 04, 2016

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Posted on Jan 02, 2017

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SOURCE: how do i check the oil level and top up if needed on my yz 426 01

it might be under the seat take it off and chech to see if its under it

Posted on Jun 10, 2009

co7196
  • 3433 Answers

SOURCE: 2003 yz 426 f hi can you tell me if my bike

Of course, The neutral safty switch is in series with your starter circuit.. three points: at clutch lever, at kickstand and at the transmission.. Do not bypass any of these switches. Good Luck.

Posted on Nov 14, 2009

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1 Answer

Yz 426 was running and thought it was out of gear and let out on the clutch bike died and wont start back up and its hard to kick over even with the compression release lever pulled in whats wrong


Hi, Anonymous you may have transmission-clutch-valve issues for this situation I would call my local dealer or reputable shop's service/parts department and inquire about any possible quick fix, answers, or parts inquiry. If necessary, transport your bike to the dealer or shop and have a professional technician take it for a test drive, if it is in running condition, and give you a written estimate of repairs and answer any specific questions you may have about your problem. For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
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Hi, Anonymous for more information about your question and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
Yamaha YZ426F Owner Service Manual
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Hi, Mal for more information about your question and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
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Hi, Anonymous for this situation I would call my local dealer or reputable shop's service/parts department and inquire about any possible quick fix, answers, or parts inquiry. For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
Yamaha YZ426F Owner Service Manual
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Hi, Calvinmelane for more information about your question and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
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1 Answer

Where can i download a workshop manual for a 2002 yzf 426


Hi, Kiknassjj for more information about your question and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
Yamaha YZ426F Owner Service Manual
OEM parts for Yamaha
Yamaha YZ450F Owner Manual Page 3
What are the top 5 mods to get for yz426f YZ 400 426 450
Yamaha YZ 426 FN 01

Jun 26, 2010 | 2002 Yamaha YZ 426 F

1 Answer

2003 yz 426 f hi can you tell me if my bike


Of course, The neutral safty switch is in series with your starter circuit.. three points: at clutch lever, at kickstand and at the transmission.. Do not bypass any of these switches. Good Luck.

Nov 13, 2009 | 2001 Yamaha YZ 426 F

1 Answer

How i start my yz426 2002 yamaha the bike has a good compresion the carbulator true gas and the spare plug is good


these bikes are the hardest bikes to fix, easiest thing, kick the bike super slow until you piston is at TDC, you will know because it will be hard to kick, then pull the compression release down and as you start to kick release the compression release. NOT an easy task starting a 426 but good luck

Nov 02, 2009 | 2002 Yamaha YZ 426 F

1 Answer

How do i check the oil level and top up if needed on my yz 426 01


it might be under the seat take it off and chech to see if its under it

Jun 08, 2009 | 2001 Yamaha YZ 426 F

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