Question about 1989 Husqvarna WRK 125

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Problem with husqvarna wrk 125 engine

When started with the kickstarter, 2 stroke 125 cc engine goes the wrong way round, I mean if I put into gear the bike goes backwards... What could it be?

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This was a problem with the old time bultco's. as the ignition timing was to close to Top Dead Center and it would push the crank backwards sometimes when starting.

Posted on May 27, 2009


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I have got a 04 husqvarna cr 125 when it starts you put it in gear and it runs backwards what do i need to do to fix it

Believe it or not some two stroke engines can run backwards. I had this happen years ago on a Yamaha 100. Just restart it again and see if is running the right way. You also can try push starting it to get it to run the right way. Ok course this is assuming that this just happened and you have not just completed a major repair. My bike only did it one time and it never happened again. I hope this helps. Rod

Jul 25, 2015 | 2004 Husqvarna CR 125

1 Answer

Standard bore size mm

ENGINE 2 stroke single cylinder direct reed valve crankcase induction Liquid cooled 125 cc engine Cylinder size 124 8 cc Bore and stroke 54 x 54 5 mm 200 cc engine Cylinder size 175 3 cc Bore and stroke 64 x 54 5 mm 250 cc engine Cylinder size 247 7 cc Bore and stroke 72 5 x 60 mm 280 cc engine Cylinder size 272 2 cc Bore and stroke 76 x 60 mm 300 cc engine Cylinder size 294 1 cc Bore and stroke 79 x 60 mm I Cant put periods or commas so bare with me

Mar 15, 2014 | 1999 Daewoo Lanos

1 Answer

50cc qmb139 64mm valves to 69mm now motor really tight wont start with starter burnt up 2 starters will kickstart with a fight

when reinstalling the head you most likely damaged the timing chain or it's bound up. another possible issue is it's put together wrong, i.e. cam gear, timing chain guides. without the spark plug in that engine should roll over by hand... Changing valve size isn't a part of the problem. If you swapped a different cylinderhead to do this then is it part of the problem ???

Oct 20, 2013 | 50cc 4-Stroke Shortcase Engine - QMB139

1 Answer

Yamaha ttr 125 kickstarter won't grab

sounds like the gears inside are stripped or missing teeth open up the side case and check and replace any gears missing teeth or stripped

Jun 26, 2012 | 2005 Yamaha TT-R 125 L

1 Answer

1998 yamaha 125 kickstart will not retract back when i tighten down side cover

Hi, Masters for this scenario you will need your service/owners manual if you can't find the first and best tool you ever bought for your Yamaha, despair not, for a mere $0 you can download another one. 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.
Kickstart Won Come Back Up Help
YZ125 Part 10 2 Stroke Shifter Drum Kickstart Spring Gear ETC
YAMAHA YZ125 Owner Service Manual
OEM parts for Yamaha

Oct 14, 2011 | 2003 Yamaha YZ 125

1 Answer

I have a dt 125 what kin of engine oil do i put in

2 stroke engine oil for the engine goes in the oil tank under the seat.
motorcycle gear box oil goes in the gearbox, car oil may cause the clutch to slip.

May 01, 2011 | Yamaha DT 125 X Motorcycles

1 Answer

What is the oil capacity for a 2004 husqvarna cr 125

It is a 2 stroke motor there is no oil you put in the motor only 2 stroke oil in the tank so it will mix with the gas.

Dec 04, 2009 | 2002 Husqvarna CR 125

2 Answers

Got a 02' 125 ttr and it make a knocking noise in first gear? shifts fine and no other noise in other gears.

You have a broken tooth on the first gear set. This means two gears will need replaced; the drive gear and the driven gear in first gear range. DON'T just replace the gear with the broken tooth. Replace the gear it meshes with also.

Jul 23, 2009 | 2002 Yamaha TT-R 125 L

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