This item has been OEM sourced to ensure a high level of quality. The primer assembly is intended to be used with trimmers and leaf blowers from Toro. The primer assembly is part of the fuel system. This item attaches to the fuel lines and is used to move fuel to and from the carburetor and tank. This item is sold as an individual replacement part.
1. Remove the front plate on the trim motor.
2. Remove two bolts on the trimmer assembly plate with the filter lies.
3. Disconnected fuel lines to primer bulb, snapped out primer bulb and replaced with new one attached boat intake in airlines to trim a bulb and replaced it.
4. Remove the head assembly online feeder inser
... Read moreted spring reattached and was completed.
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The primer bulb had cracked due to use of ethanol unleaded gas
1. First removed the carburetor-filter cover.
2. Used small screw driver to easy the plastic molded retaining prongs on the primer bulb assembly.
3. Used needle nose pliers to compress the wire clamp on the hose to disconnect damaged assembly.
4. Reattached hose with clamp to replacement part, and snapped assembly prongs
... Read more back into carburetor-filter bracket.
5. Replaced cover.
1. Removed air filter
2. Removed carburetor bolts
3. Loosen throttle cable
4. Slip off return fuel line from primer
5. Slip off gas line from carburetor
6. Note direction of primer in plate, pop it out.
7. Remove gas line from primer.
8. Replace gas line on new primer
9. Install new primer
... Read morein plate in its proper direction noted in #6.
10. Slip gas line on carburetor
11. Slip return gas line on primer.
12. Reconnect throttle cable
13. Reinstall and tighten carburetor mounting bolts
14. Adjust throttle cable
15. Reinstall air filter, replace filter as required
The clear plastic tubing for the gas from the primer and the gas line to the Carburetor pulled out of the tank and off of the GÇÿnipplesGÇÖ that attach the hoses.
I received absolutely no instructions with my part.
I ended up going to YOUTUBE to get videos to help
... Read moreme install the replacement bulb primer assembly.
THIS is the kicker: After 2 hours of pure frustration,
I went to Home Depot and bought a RYOBI trimmer.
Unhappy but I got my three jobs done using my EXPAND-IT attachments. AND, of course, my new trimmer.
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Hard to start due to crack in primer bulb also dirt filter
Trimmer
- 51998, 18in Straight-Shaft Gas Trimmer, 2016 (Sn 316000001-316999999)
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Stock Status
This part is in stock in our warehouse and will ship out within 1 business day of the order being placed.
New stock is on the way! On order parts usually ship within 7 business days.
Item is not in stock and usually ships 10-15 business days from the time you place your order.
This item is no longer being made by the manufacturer, and cannot be added to your shopping cart.
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Mail-In Recycling Rebate
Some of the parts we sell are eligible for mail-in rebates since we can recycle them. We will display any applicable rebates in your shopping cart. To redeem your rebate, contact Customer Service after you have received your part.
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