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Repair Parts Home  Lawn Equipment Parts  Paramount Parts  545221701 Flywheel Assembly

Flywheel Assembly

Part Number: 545221701
PoulanParamountWeed EaterHusqvarna
Availability: 25+ in stock
Price: $10.25
Quantity:
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*This part replaces obsolete part #: 530054115, 545005101, 545197301, 530039149, 530039148, 530069886 and 530071487.

Description:
This is an original replacement part manufactured for use with handheld leaf blowers. The flywheel has magnets on its side that create an electric charge as the magnets pass the ignition module. The electric charge is sent to the spark plug to fire the air-fuel mix in the cylinder. The flywheel fits on the crankshaft by a key that aligns with a keyway on the crankshaft, this allows for proper firing timing. If the key on the flywheel is broken it can cause misfires or will not start at all. This flywheel is sold as an individual replacement part.
Product Information
Manufacturer: Poulan, Paramount, Weed Eater, Husqvarna
Product Number: 545221701
Classification: Part
Weight: 0.53 lbs.
Shipping: Ships Worldwide
Compatibility

This part is compatible with the following machines:

Paramount
Poulan
Weed Eater

Products Compatibility

This item works with the following types of products:

  • • Blower
  • • Edger
  • • Hedge Trimmer
  • • Trimmer
Questions & Answers

No questions have been asked yet
Repair Instructions: Submitted by Customers Like You
8 of 8 people found this instruction helpful
Tool Type:
Blower
Parts Used:
Flywheel Assembly - 545221701
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver, Wrench Set, Nutdriver, Torx driver
Key on flywheel sheered, causing a no start situation
1. Remove outer casing and housing.
2. Remove impeller
3. Remove engine assembly from last of casing
4. Remove flywheel and replace
5. Reassemble in reverse as to assembly
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5 of 5 people found this instruction helpful
Tool Type:
Blower
Parts Used:
Flywheel Assembly - 545221701
Repair Difficulty:
Easy
Time Spent Repairing:
30-60 minutes
Tools Used:
Screwdriver, Wrench Set, Allen wrench
Flywheel alignment key broke off
Removed the fan housing, then used a puller to remove the flywheel. lines up the key in the new flywheel with the keyway in the driver shaft and tapped it on with a mallet. It is a tapered fit. Then put the housing back on.
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3 of 3 people found this instruction helpful
Tool Type:
Blower
Parts Used:
Flywheel Assembly - 545221701
Repair Difficulty:
Medium
Time Spent Repairing:
15-30 minutes
Tools Used:
Socket set, Wrench Set, Hexagon tools
Flywheel key broke
1. Use hexagon wrench to remove screws.
2. Use rachet set remove fan bolt from shaft.
3. Remove top with starter rope.
4. Remove flywheel and replace with new one.
5. Assemble in reverse order.
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1 of 1 people found this instruction helpful
Tool Type:
Blower
Parts Used:
Cylinder - 530012541
Piston Ring - 545154001
Flywheel Assembly - 545221701
Repair Difficulty:
Medium
Time Spent Repairing:
1-2 hours
Tools Used:
Screwdriver, Pliers, Socket set, Torx bits and allen wrenches
No start.......no attempt to start even with starting fluid. Compression was at minimums when I checked it.
Unit will have to be completely disassembled so remember (i.e. take pictures) as you go. Remove carb. and fuel tank at the same time and leave hose hooked to carb. Got to the other side and remove plastic cover over exhaust muffler and remove muffler, gasket and metal deflector. Remove carrying handle (2 screws) and the top plastic cover. At this time you can remove spark plug if you desire...........or you can wait until later.
Bottom side of unit............remove 3 screws covering and protecting fan and set cover and screw aside. Hold fan and remove nut, lock washer and large flat washer. Set this aside also. Remove fan duct and nozzle (4 screws) and set it aside. Now all that is left is the lower housing (4 screws) Remove screws and housing and set aside.
Flywheel is exposed at this point and (in this order) you will find a space and washer (washer is next to flywheel. Remove them and set aside. Gently work flywheel back and forth.......a little lubricant between shaft and flywheel will help. Shaft is tapered so it will come off with a little effort.
Next I took the two allen head bolts holding the cylinder head on. Set them aside and remove head. I removed the piston and rod assembly due to over-heating and or lack of proper lubricant in fuel. To remove the assembly the "black" cover (2 screws) on rear if engine block will have to be removed.
To reassemble everything is reverse from disassembly. I used RED Loctite on the cylinder bolts and BLUE Loctite on the Fan Nut and shaft.
Main culprit I found was the piston ring was frozen to the piston and the cylinder was scored. Compression was dismal and what I suspected was proven once the unit was disassemble.
Make sure you have a good supply or Torx screwdrivers and bits (various sizes) along with a good Allen Wrench set
Don't forget to watch for the gasket behind carb. It will come lose and may wind up on the floor when you remove the carb. Same goes for the exhaust.
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1 of 1 people found this instruction helpful
Tool Type:
Blower
Parts Used:
Gasket Kit - 545081832
Flywheel Assembly - 545221701
Screw-Cylinder - 530015953
Repair Difficulty:
Medium
Time Spent Repairing:
1-2 hours
Tools Used:
Screwdriver, Pliers, Socket set, Wrench Set, Adjustable Wrench
Leaf blower would not run
1.). One of the screws holding the cylinder down sheared off at the head. The head was caught up in the flywheel and took out two blades and nicked several others. The gasket was torn as well.
2.). I had to completely disassemble the entire blower because the screw was in the back.
3.). With everything apart, I went ahead and replaced all the gaskets from the kit.
4.). I sprayed WD-40 on the post going through the flywheel and let it set for a couple of hours. Using a bench vise and a rubber mallet, I was able to easily take the fly wheel off.
5.). I had to use some needle nose vise grips to grab hold of the remainder of the broken screw and eventually worked it loose.
6.). Reassembled all the hardware. I made sure, while taking it apart, to take detailed pictures with my phone. I used those pictures and the diagrams from replacements to make sure that I put everything back together properly. I had also placed the each part or associated screw in their own containers to help keep them organized.
7.). Leaf blower works great now. $20 in parts, a couple of hours of disassemble and reassemble and I am back in business.
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Tool Type:
Blower
Parts Used:
Piston Ring - 545154009
Flywheel Assembly - 545221701
Ignition Module - 501092801
Repair Difficulty:
Medium
Time Spent Repairing:
1-2 hours
Tools Used:
Screwdriver, Socket set, Wrench Set, Nutdriver, paper, thread locker, sandpaper, pick
Kept dying & wouldnt idle smoothly.
1. Disconnected spark plug.
2. Removed both side housings (impeller must be removed too).
3. Removed ignition module & flywheel.
4. Removed carbuerator & muffler.
5. Removed cylinder wall housing.
6. Removed PISTON RING and gently scraped RinG groove clean.
7. Installed NEW PISTON RING into groove.
8. Oil piston & cylinder wall (2 cycle) then gently compress back into cylinder.
9. Install cylinder bolts (use thread locker BLUE) if not new bolts.
10. Install muffler & carbuerator.
11. Install NEW FLYWHEEL (my key groove was worn).
12. Put NEW IGNITION MODULE (my plug wire was shorted out) in place *with folded piece printer paper as approximate ignition gap*.
13. Verified flywheel turned full revolution without magnet sticking to module & that the paper was able to slide thru fully FREELY.
14. PERFORMED CLOSE INSPECTION of all bolts tight and secure, all seals & gaskets good & reinstalled.
15. Installed both sides of housing, be sure "fingers" on flywheel engage to recoil rope & spacer put back.
16. Reconnected Spark Plug wire to spark plug.
17. Verified FRESH 40:1 2 cycle mix, air filter clean and approximately 1-2 drops 2 cycle oil squeezed thoroughly within air filter sponge.
18. Turned on choke, pressed primer bulb 3-5 times until fuel mix present.
19. Without touching trigger pulled starter & started after 3 pulls.
20. Let idle about 30 seconds then squeezed trigger, choke automatically shifted to OFF position & continued to run smoothly.
21. Went outside began blowing leaves & ran perfect until out of fuel (did on purpose).
22. Refueled and no prime or choke started after 5 pulls!
(Was testing - Poulan has some problems unable to restart after warmed up).
-replaced flywheel, ignition module, piston ring-
--poulan pro pb200vs
--40:1 fuel/oil mix
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Discussion
Discussion for Flywheel Assembly - ( 545221701 )
Discussion is closed. To ask our experts a question about a part, use the Q&A feature.
Question: 545221701 Flywheel.

ChrisLoe

Does the 545221701 flywheel fit on a 2007 BVM200VS?
Reply: 545221701 Flywheel.

ShotOut

Hello ChrisLoe What make is the BVM200VS? Poulan 2 stroke engines are on many different makes. There also is the POULAN brand of 2 stroke machines. That flywheel fits over 150 different models and 4 brands according to this site. It MAY fit the model in question; but I do not know enough about said model to say. It fits Paramount, Poulan, Weedeater, and Husqvarna brands.

http://www.ereplacementparts.com/assy-flywheel-p-692377.html

Mixing and matching 2 stroke flywheels is a crapshoot at best because of magnet location and orientation.
Question: Flywheel Xt200

athomas543

is the coupling that holds the flywheel on a left hand or right hand thread?
Question: Flywheel

urban

is their a key with this order ?
WJA
Reply: Flywheel

WJA

Hello urban,

The Poulan part number 545221701 Flywheel Assembly does have a key machined in the bore of the flywheel.

-WJA
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