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I have an older Bolens push mower and think the springs that control the throttle is missing. Looking for a diagram so I can see how they fit and where?

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6 Suggested Answers

6ya6ya
  • 2 Answers

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

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Posted on Jan 02, 2017

  • 41 Answers

SOURCE: Briggs & Stratton 4.5 hp running rough...too much fuel

Hi did you squeze excess oil from filter so it can **** air in??

Posted on Aug 04, 2009

  • 430 Answers

SOURCE: My Bolens riding lawn mower wouldn't start.

I will attempt to help you figure this out. On a sidenote; the shop I work at offers pick up and delivery services, Im sure a shop near you would too.
First make sure you have good fuel in the tank and that any fuel valves are open, check your oil and make sure it is full. If your oil is overfull and very thin and runny that could be an indication of your problem. REmove the airbox cover and air filter.
Once we've covered that lets get on with diagnosing it. Will the motor turn over but it just wont start? Does the motor make a half crank then stop? Will it not do anything at all?
Answers to those questions and any other pertinent information will help me guide you in a direction to figuring out the problem. Figuring these things out is simple if you take it step by step.

Posted on Dec 30, 2009

kel1guy2002
  • 3740 Answers

SOURCE: Bolens 5.5-Torque 21

Does it have compression? If not.. remove the spark plug and squirt some WD 40 in large quantities into the spark plug hole. You may have a valve stuck open. Let it sit for a while with the plug removed for the WD 40 to soak. Then turn it through with the recoil. After that Place your thumb over the spark plug hole and check for compression.
NO compression... soak with WD 40 again let it sit then turn the engine thru for sometime. At least until your arm gets tired. Check for compression again.

Once you establish compression....

Fill gas tank and make sure the fuel selector is ON. BRIEFLY Remove the fuel supply hose from the carb connection and check for fuel flow. If you have flow then reconnect the hose.

Remove the Oil dip stick and make sure the OIL level is FULL. Service if necessary... the LOW OIL level sensor will kill the ignition if the oil is low.

Still no start?

Spark YES

Remove the air cleaner and add some gas into the throat of the carb. Attempt a start. If it starts then dies the carb needs serviced. If you have a bowl type carb:

This is how to clean the fuel passages in the carb.
Here is what you need to do:

1. Fuel selector off
2. Remove float bowl mounting screws and nut
3. Remove the BRASS Jet / Orifice in the very bottom of the venturi tube inside the pickup tube. (Flat blade screwdriver) Hold the Orifice up to the light. You should see a pinhole. If it is not clear clean the orifice but do not force anything through the hole.
4. Underneath the Orifice there is yet another BRASS tube that you need to remove. (Flat blade screwdriver) Make sure all of the holes in the tube are clear. The tube will be over 2 inches long. Clean it and reinstall it.
5. Reinstall the Orifice.
6. Using a catch fuel container turn on the fuel selector. Fuel should flow at a good rate. GENTLY lift the float assy level and make sure fuel flow shuts off. When you drop the float again fuel should flow.
If you do not have fuel flow at this point the needle and seat will need to be inspected. Fuel selector OFF.
(The following procedure is to be done only if there is no fuel flow with fuel selector on.)
a. Remove the silver float pivot pin retaining screw
b. Drop the Float down (The needle will come off with the float. NOTE the position)
c. Inspect the tapered rubber of the needle If should be pointed. If it is not pointed then the rubber tip is stuck inside the seat.
d. Clean the seat hole ONLY if obstructed. (Easily damaged)
e. FUEL Selector on then off fuel should rapidly flow through the needle seat.
f. Renistall Float and needle making sure to get the pivot / hinge pin installed correctly and reinstall the silver retaining screw.
g. Fuel selector ON. Raise and lower float checking for free movement and fuel flow.

7. If there still is no fuel flow at this point remove the fuel hose from the carb and check fuel flow. If no flow check that gas tank exit hole, fuel filter (if installed) and the selector valve assy for obstructions. Reassemble connections.

FUEL FLOW IS GOOD

8. BEFORE you install the float bowl inspect the bowl nut. There are 2 holes in the side of the nut where it screws in to the bottom of the carb that must be clear.

9. Install Float bowl mounting screws and nut. Check for leaks.

10. Test engine.

That should do it. (carb cleaning 101)

Thanks for using FixYa.

Kelly

Posted on Apr 14, 2010

wadembly
  • 448 Answers

SOURCE: Bolens clutch wont engage

check to see if there is something caught around the blades that won't allow to turn

Posted on Jun 27, 2010

rycgl
  • 1545 Answers

SOURCE: Bolens MTD push mower with B&S 4.5HP

This is probably not a blown gasket issue. A bad head gasket can allow oil to enter the cylinder head/combustion chamber if it's not sealing off the valve area. A simple suggestion is to check on the engine opposite the carb side for the oil/crankcase breather. It will have 2 screws holding it onto the block. It has a type of filter media in it that traps excessive oil and oil vapors from the engine. It is also connected by a tube to the air filter housing. When you tipped, you probably put too much oil in the breather and it was inducted over to the air filter/carb intake side.
Clean or replace the breather after checking it and also make sure you haven't overfilled the Briggs with oil and only use SAE 30 in the engine. Muti-viscosity isn't recommended in summer unless you run synthetic, then it is OK.
Please vote on this solution.

Posted on Sep 05, 2010

Testimonial: "Thank you - sounds like excellent advice and I'll sure let you know what I find."

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