RYCST55 Ryobi - Overview

Models starting with RYCST55

Keep searches simple, eg. "belt" or "pump".
EXPAND-IT LABEL – Part Number: 940726013
EXPAND-IT LABEL
PartSelect #: PS18790127
Manufacturer #: 940726013
$5.95
  Special Order
LABEL WARNING – Part Number: 940657165
LABEL WARNING
PartSelect #: PS18789971
Manufacturer #: 940657165
$5.95
  Special Order
HUB WITH EYELET ASSEMBLY – Part Number: 310643004
HUB WITH EYELET ASSEMBLY
PartSelect #: PS18784162
Manufacturer #: 310643004
$6.95
  Special Order
Spring – Part Number: 06713
Spring
PartSelect #: PS12614652
Manufacturer #: 06713
This is a genuine OEM replacement part, it is sold individually. This spring is used in a number of String Trimmers and Brush Cutters. This Spring is part of the String advancing system. It is placed ...
$5.95
  In Stock
SPOOL – Part Number: 526938001
SPOOL
PartSelect #: PS18785671
Manufacturer #: 526938001
$5.95
  Special Order
FASTENER PARTS KIT, EDGER – Part Number: 120642001
FASTENER PARTS KIT, EDGER
PartSelect #: PS18782271
Manufacturer #: 120642001
$5.95
  Special Order
SPRING COMPRESSION – Part Number: 678022001
SPRING COMPRESSION
PartSelect #: PS18788494
Manufacturer #: 678022001
$5.95
  Special Order
Hanger Cap – Part Number: 518019002
Hanger Cap
PartSelect #: PS9964412
Manufacturer #: 518019002
  No Longer Available
String Guide – Part Number: 526939001
String Guide
PartSelect #: PS11857965
Manufacturer #: 526939001
  No Longer Available
Grass Deflector Assembly – Part Number: T308744001
Grass Deflector Assembly
PartSelect #: PS10051753
Manufacturer #: T308744001
Genuine OEM replacement part, this item is sold individually. This guard is used on the trimmer models shown below. The purpose of this part is to keep debris from being thrown by the cutting line and...
  No Longer Available
String Head Housing – Part Number: 310643003
String Head Housing
PartSelect #: PS9939193
Manufacturer #: 310643003
Genuine OEM replacement part used on some models of Gas String Trimmers. This part is made out of Plastic with included Metal Eyelet. This part holds and secures the Spool. Please note: Spool, Spring ...
  No Longer Available
Bump Knob – Part Number: 308042002
Bump Knob
PartSelect #: PS12626741
Manufacturer #: 308042002
This is an OEM replacement part. It has a right hand thread screw to remove and attach it to the trimmer head. Its purpose is to hold the spool with the cutting line, in the spool housing. It also a...
  No Longer Available

Common Symptoms of models starting with RYCST55

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Engine revs but trimmer head will not turn
Fixed by
these parts
Fixing
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Keep searches simple. Use keywords, e.g. "leaking", "pump", "broken" or "fit".
Old curved shaft for Ryobi had seized-up and wouldn't turn
I have been using string trimmers for over 40 years now, doing the grounds work at a small motel, and this is the best combination I have found!

I have the new 40V battery carbon fiber shaft model, but I use the curved shaft. I have stacked stone walls and many obstacles to get around, and the curved shaft works best. But, Ryobi sends their straight shaft with the new trimmer, and it turns in the opposite direction (counter clockwise) and is hard for me to get into the areas I need.

To correct this, I use the Oregon brand Gatorhead, which fits on the Ryobi with no modiification (easy) and the line comes in spiral discs which can work for either direction of trimmer head to dispense effortlessly. Now, I have a new curved shaft on a new trimmer with the head turning in the clockwise direction.

This item has been discontinued, so get it when you find one, and stock up on line discs too!

https://www.oregonproducts.com/en/gator%c2%ae-speedload%e2%84%a2-trimmer-head-pro-sm/p/24-250
Parts Used:
Curved Shaft Assembly
  • Mark from MANCHESTR CTR, VT
  • Difficulty Level:
    Very Easy
  • Total Repair Time:
    Less than 15 mins
  • Tools:
    Wrench (Adjustable)
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