Question about Garden

1 Answer

Flywheel breaking Jonsered keeps breaking the key way off the flywheel. It's bolted down tight. What's happening?

Posted by on


1 Answer

  • Level 3:

    An expert who has achieved level 3 by getting 1000 points


    An expert that got 20 achievements.


    An expert that got 10 achievements.


    An expert that got 5 achievements.

  • Master
  • 2,239 Answers

If you aare sure the securing nut is tight, then it has to be a problem with the taper on the crank, it is the taper on the crank that holds the flywheel, the key is just to align the ignition timimg.

Posted on Oct 17, 2013


1 Suggested Answer

  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

A 6ya expert can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
The service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
Good luck!

Posted on Jan 02, 2017


Add Your Answer

Uploading: 0%


Complete. Click "Add" to insert your video. Add



Related Questions:

1 Answer


Hi Tami:
When you replace the key, the flywheel attachment nut has to be really tight so that there is absolutely no slop in the flywheel connection. Give it another try. Don't strip the threads, but also, don't be afraid to pull on the wrench.

Apr 26, 2015 | Measuring Tools & Sensors

1 Answer

I have a 1975 Yamaha dt400 it has a points ing. In it how do I set the timing and what is the settings for it? ?

Take off left sidecover,......Remove flywheel nut and washer. You'll probably need to put the bike in 4th or5th gear and get someone to stand on the rear brake as you remove flywheel nut and washer.......Screw the japanese flywheel removal tool into the flywheel.....tighten the center bolt of the tool till it firmly butts on crankshaft......Strike the center bolt of the flywheel tool semi-hard with a hammer to "shock" the tapered fit of the flywheel and shaft...... Tighten the center bolt of the tool a little and repeat till flywheel is dislodged......Gently remove flywheel. There are powerful magnets in the flywheel so hold onto it tightly as you gently draw it off the shaft......You'll see the points and condenser....... Remove them but when you put the new points in, the little washers must go on precisely like they were on with the old set of points,otherwise the points will be shunted to ground and you'll never get any spark......After you've installed the points gently replace the flywheel on the shaft being careful to make sure you're not smashing the rubbing block part of the points......Oh yeah there's a flywheel key imbedded in the shaft. It insures proper location of the flywheel in relation to the piston. Sometimes they'll shear or get deformed. Replace it if it needs it. The bike may still have spark if it is sheared, but it will be at the wrong time........Put flywheel on and tighten flywheel tight.. I mean tight. If you don't you'll shear the key. Don't strip-out the threads though......The points are adjusted thru the windows in the flywheel.. It's kind of a hassle until you've done it a bunch of times but what you do is rotate the flywheel and make sure the points are closed at the low part of the ramp on the flywheel. Slowly rotate the flywheel and you'll see the points opening. The goal is to have the points break open at the same time the marks on the flywheel line up with the reference point on the engine.. The points have a little slot usually that helps you open and close the point gap. Basically the larger the gap=advances the timing.......the smaller the gap= retards the timing........ Good Luck

Feb 19, 2015 | Yamaha Motorcycles

1 Answer

Replace flywheel

Remove the small bolts that hold top cover on . Remove small bolts that hold down ignition coil unplug the spark plug wire. Set the coil out of the way. Remove the nut from the center of the flywheel. Use a steering wheel puller to remove the flywheel. Install the new flywheel over shafts key tap center of new flywheel on the shaft . Keep eye on the key that the flywheel doesn't push out of the shaft . Install nut and get it coil with a business card between coil and flywheel as you tightening bolts plug in spark plug wire . Reinstall top cover.

May 11, 2014 | Mtd Garden

1 Answer

05 Land Rover Freelander Engine replacement---Flywheel bolt holes will not line up and I can't find why. Engine is correct

The fly wheel bolts will not line up unless you turn the flywheel one hole at a time The arrangement is so that the balance of the flywheel in relation to the crank shaft is maintained . So offer up the flywheel and see how many holes line up . turn it one hole at a time and more holes will line up . Keep going until all the bolts screw in finger tight . If you have a tight one then move the flywheel again as all the bolts have to fit finger tight and not need force to turn

Mar 19, 2014 | 2005 Land Rover Freelander

1 Answer

Lost my marks on flywheel when i take it off

Flywheels are either doweled in place or the bolt holes are not symmetrical. That means that of all the holes one will not line up properly to allow you to insert the bolt. Keep turning the flywheel on the crank until all the bolts go all the way in finger tight . If you have one that is a bit tight start again turning one hole at a time .until you achieve them all finger tight.

Feb 16, 2014 | Renault Sport Cars & Trucks

1 Answer

Engine turns over but wont start

It sounds as though you may have a sheared flywheel key. The keys are made of aluminum and shear easily if the flywheel is not tight. Remove top cover and flywheel retaining bolt/nut. Examine key for location with slot in crankshaft. If sheared, orient the flywheel slot and crankshaft slot so that a new key fits. Be sure flywheel and crankshaft mounting surfaces are clean and free of oil/grease. Tighten crankshaft retaining bolt/nut to 90 ft lbs. Flywheel posisition is maintained by friction between it and crankshaft.

May 06, 2013 | Briggs & Stratton Garden

3 Answers

How do you remove the flywheel

Removing a flywheel can be a aggravating process if you do not know the tricks. The nut which holds the flywheel is on very tightly, and can only be removed by blocking the rotation of the crank shaft with a wrench holding the nut on the blade or by blocking the rotation of the blade. Do not try to hold the flywheel by sticking a crowbar in the teeth, or they might break off. Once you have remove the nut which holds the flywheel in place you will need to gently pry off the flywheel with a crowbar. Keep rotating the flywheel until it can be lifted off easily. Now put the flywheel key somewhere safe. When you want to put the flywheel back on make sure that the key is in the right direction. It is usually marked in some way. :)

Nov 29, 2011 | Cars & Trucks

1 Answer

My jd 318 wont start and back fires,i replaced the shaft key did it brack agein

It sounds like it did break again. Check the key and ensure that the flywheel is installed dry onto the shaft and the bolt in the end of the shaft is tight enough.

Sep 16, 2011 | Garden

2 Answers

Mower wont start

You will need to replace an aluminum "key" in the flywheel. Whenever you hit something, the key is designed to shear so you don't break something major.

Sep 02, 2009 | Toro Lawn Mower With Toro Power Tools

3 Answers

Flywheel Bolts Unthreaded From Crankshaft

Pretty simple...whoever put the flywheel back on the crank either did not tighten them up or did not use thread lock on the bolts. Either way, there is only one way that can happen...someone did not do their job. Check the flywheel bolt holes for damage and have the clutch splines on the disc and input shaft on the transmission checked for damage. Having that stuff moving around like that can wear those parts and make the clutch "hang up" if not corrected.

Jun 03, 2009 | 2003 Pontiac Vibe

Not finding what you are looking for?
Garden Logo

Related Topics:

33 people viewed this question

Ask a Question

Usually answered in minutes!

Top Garden Experts

Dennis Key
Dennis Key

Level 3 Expert

2478 Answers


Level 3 Expert

666 Answers

john h

Level 3 Expert

13723 Answers

Are you a Garden Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides