Question about Craftsman 25cc Gas Line Trimmer

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Same problem as stated by housedr53 with the pull rope, but with a Ryobi 790r. The Clutch Drum Assembly will not come off so that I get to the Recoil Pulley and such. Manual does not help. Gus from Long Island

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6ya6ya
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Posted on Jan 02, 2017

FreeTech
  • 426 Answers

SOURCE: replace pull rope

there should be a retaining C Clip that will need to be removed from the shaft look closely!

Posted on May 23, 2010

rycgl
  • 1545 Answers

SOURCE: I am trying to replace the pull rope on my

There is a small T-10 or T-15 Torx head screw that is recessed in the clutch drum end screwed into the end of the crankshaft. If you loosen it, the drum should come off but the screw may still remain inside the end of the drum. This is normal. Clutch itself unscrews from threads on the crankshaft in counter-clockwise rotation. Use a blunt flat-blade chisel or the like and place on the inner ears of the clutch near the middle and strike with hammer...not real hard...just hard enough to shock it loose...maybe apply some penetrating oil to the center of it beforehand.

Posted on Aug 10, 2010

  • 1 Answer

SOURCE: how do you remove the clutch drum assembly for model #316.791890

rycgl gave a great solution for removing the clutch drum, but after the clutch drum is removed, you have to remove the clutch itself from the shaft. It's threaded on, and there's an arrow on the clutch assembly that tells you which way to turn it to remove it (CCW). Once that is removed, you can take the casing off the motor, remove a cover plate, and get to the incredi-pull assembly. Mine went south, to, and it was because the incredi-pull loops the cord around two plastic rollers that rotate around plastic shafts. Of course plastic doesn't hold up very well, so over time, one of the rollers stopped rotating, and the cord cut a slot in the roller and its supporting shaft, which in turn bound up the cord so it wouldn't retract. Fortunately, I caught it before it cut all the way through the shaft, and I replaced the roller with a short piece of 3/8'copper tubing. It works OK, but I'm not holding out too much hope for it to last a long time. Hope this helps.

Posted on Aug 28, 2010

  • 111 Answers

SOURCE: hi have a craftsman line

You can find parts breakdowns for the unit HERE, it also has the part numbers in case you need to order anything. It looks like the starter engages the flywheel directly. I have not taken one of these apart so I cannot give you the best advice.

Posted on Mar 31, 2011

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Need to remove flywheel ryobi RLH1100 mark2


hello sir, ryobi trimmers and other models removal of the bell housing,removal of the metal bell housing,or clutch drum, on models 780R & 790R, here is what you do. after removing the trimmer & shaft assembly.remove the spark plug insert a screwdriver in the cylinder to keep piston from moveing. to remove the bell housing twist off the spring and using a T20 TORX screwdriver unscrew the retaining screw in the center of the bell housing (normal r/h thread) . push down firmely try not to strip screw head . you should be able to remove clutch housing.remove clutch using a pair of channel locks,works for me, (normal r/h thread) you should be able to remove front engine cover to repair what you need to.coil,pull stsrt, hope this works,. this solution applies to all trimmers with clutch removal~~~hope this helps,,any comments welcome,thank you. 11

Nov 04, 2011 | Ryobi 15" Electric Factory Reconditioned...

1 Answer

How do you get the starter rope to rewind after pulling to start my 25 cc poulin pro trimmer? How do you access the recoil spring?


The starter rope normally rewinds automatically when the recoil unit is functioning properly. If the pull rope has stayed out, disassembly will be required. Here are instructions for that problem. The recoil spring can break and is replaceable, but the nylon hub in the starter recoil unit is usually the problem or the rope has broken and jammed inside.
Remove the tube that holds the flex-drive shaft from the front of the motor cover.Remove the rear engine cover. Remove the throttle cable from the carburetor. Mark and unplug any wires for the on/off switch that go to the ignition coil (underneath front cover) if possible. Now if you have pulled the driveshaft tube out of the way, the clutch drum is up next. Inside it, screwed into the very end of the engine's crankshaft is a Torx #25 screw. Before you loosen it, you will have to lock up the engine. To do so, remove the spark plug. Pull on the starter until the piston is down, then insert a length of clean, soft rope into the engine. The engine will come up and compress the rope, thus locking it in place to allow clutch drum and clutch removal. Loosen the T-25 (Star bit or Torx head) screw inside the drum.. You may be able to remove it with a long thin-blade screwdriver also.It probably won't come completely out...it is made this way. Next, remove the clutch. It is screwed onto a small threaded section of the crankshaft Removal is counterclockwise.. It will be pretty tight. To help, apply peneterating oil. Whack the ears of the clutch near the center with a hammer and a dull flat-blade chisel or a small piece of wood unless there are bolts. then use a wrench. It will turn counterclockwise for removal and there will probably be a removal direction arrow on it's face. After getting that off, remove the Torx screws holding the cover to the engine. The starter unit should be mounted inside as it mates with the top of the flywheel to start the motor. Remember to preload tension (5-7 turns) on the starter unit. Make sure the handle is installed. Jam the unit with a screwdriver or vise grips so you can insert and tie off the new rope. Then remove jam device and let recoil pull your new rope into place while holding the handle. Reassemble and you are done. Disassembly requires Torx head drivers and a good flat-blade screwdriver. Here are more details for servicing the starter/recoil unit....With the starter/recoil unit OFF the machine, with no rope in it, and no tension on it.....grasp the little nylon hub and turn it (clockwise is I recall) round and round 6-7 times until you feel the recoil spring get nice and tight...DO NOT LET GO OF IT!...hold it in place and then JAM the starter/recoil unit in place (still tight) inside it's housing by either clamping it with a tool like vise grips or by sticking a screwdriver thru it and thru the vents in the cover. If you have ANOTHER person to help you...one of you hold it in place....and make sure it is lined up to where you can NOW insert the new lenth of pull rope. Always use new rope....Feed the end thru the hole in the recoil unit and tie it off, by wrapping it around itself outside the nylon hub and then screw the little self-tapping set screw back in holding the rope down. OK...then feed the opposite end into the hole in the front engine cover and attatch the T pull handle....Now mind you, you are still jammming or holding the recoil in place against the spring!...Now, unclamp it or unjam it and slowly let the recoil pull the NEW rope you just installed back onto the pulley. Make sure it is fastened well on top of the pulley around the nylon hub and also fastened well onto the T pull handle. That is it. Then reconnect your wires, put your throttle cable back thru the engine cover and reinstall the Torx screws in the cover...and you are doneervicing the recoil unitl

Jun 04, 2011 | Poulan Garden

1 Answer

Rope on Craftsman Convertible weedeater wont rewind.


Remove the tube that holds the flex-drive shaft from the front of the motor cover. Remove the throttle cable from the carburetor. Mark and unplug any wires for the on/off switch if possible. Now if you have pulled the driveshaft tube out of the way, the clutch drum is up next. Inside it, screwed into the very end of the engine's crankshaft is a Torx #25 screw. Before you loosen it, ou will have to lock up the engine. Remove the spark plug. Pull on the starter until the piston is down, then insert a length of clean, soft rope into the engine. The engine will come up and compress the rope, thus locking it in place to allow clutch drum and clutch removal. Loosen the T-25 screw inside the drum.. It probably won't come completely out...it is made this way. Next, remove the clutch. It is screwed onto a small threaded section of the crankshaft Removal is counterclockwise.. It will be pretty tight. To help, apply peneterating oil. Whack the ears of the clutch near the center with a dull flat-blade chisel and hammer unless there are bolts. then use wrench. It will turn counterclockwise for removal and there will probably be a removal direction arrow on it's face. After getting that off, remove the Torx screws holding the cover to the engine. The starter unit should be mounted inside as it mates with the top of the flywheel to start the motor. Remember to preload tension (5-7 turns) on the starter unit. Make sure the handle is installed. Jam the unit with a screwdriver or something so you can insert and tie off the new rope. Then remove jam device and let recoil pull your new rope into place. Reassemble and you are done. Disassembly requires Torx head drivers ranging from T-15 to T-25. Here are more details involving the starter/recoil assembly.
With the starter/recoil unit OFF the machine, with no rope in it, and no tension on it.....grasp the little nylon hub and turn it (clockwise is I recall) round and round 6-7 times until you feel the recoil spring get nice and tight...DO NOT LET GO OF IT!...hold it in place and then JAM the starter/recoil unit in place (still tight) inside it's housing by either clamping it with a tool like vise grips or by sticking a screwdriver thru it and thru the vents in the cover. If you have ANOTHER person to help you...one of you hold it in place....and make sure it is lined up to where you can NOW insert the new lenth of pull rope. Always use new rope....Feed the end thru the hole in the recoil unit and tie it off, by wrapping it around itself outside the nylon hub and then screw the little self-tapping set screw back in holding the rope down. OK...then feed the opposite end into the hole in the front engine cover and attatch the T pull handle....Now mind you, you are still jammming or holding the recoil in place against the spring!...Now, unclamp it or unjam it and slowly let the recoil pull the NEW rope you just installed back onto the pulley. Make sure it is fastened well on top of the pulley around the nylon hub and also fastened well onto the T pull handle. That is it. Then reconnect your wires, put your throttle cable back thru the engine cover and reinstall the Torx screws in the cover.

May 27, 2011 | Craftsman Convertible 14" Gas Line Trimmer

1 Answer

How do I rmove the clutch rotor from the shaft so I can access the pulley rotor assembly -does it screw of and if so is it a RH threaad? It is a Ryobi Weed Hornet 77 31cc


I always describe this solution in detail, and am going to include pictures this time. Here are online instructions with pictures, followed by my directions.
http://www.ereplacementparts.com/article/1771/How_to_Remove_a_Trimmer_Clutch.html
Here are my instructions to aid you.
(Yes, the Torx screw inside the clutch drum is a right-handed thread)
Remove the tube that holds the flex-drive shaft from the front of the motor cover.Remove the rear engine cover. Remove the throttle cable from the carburetor. Mark and unplug any wires for the on/off switch that go to the ignition coil (underneath front cover) if possible. Now if you have pulled the driveshaft tube out of the way, the clutch drum is up next. Inside it, screwed into the very end of the engine's crankshaft is a Torx #25 screw. Before you loosen it, you will have to lock up the engine. To do so, remove the spark plug. Pull on the starter until the piston is down, then insert a length of clean, soft rope into the engine. The engine will come up and compress the rope, thus locking it in place to allow clutch drum and clutch removal. Loosen the T-25 screw inside the drum.. You may be able to remove it with a long thin-blade screwdriver also.It probably won't come completely out...it is made this way. Next, remove the clutch. It is screwed onto a small threaded section of the crankshaft Removal is counterclockwise.. It will be pretty tight. To help, apply peneterating oil. Whack the ears of the clutch near the center with a dull flat-blade chisel and hammer unless there are bolts. then use wrench. It will turn counterclockwise for removal and there will probably be a removal direction arrow on it's face. After getting that off, remove the Torx screws holding the cover to the engine. The starter unit should be mounted inside as it mates with the top of the flywheel to start the motor. Remember to preload tension (5-7 turns) on the starter unit. Make sure the handle is installed. Jam the unit with a screwdriver or vise grips so you can insert and tie off the new rope. Then remove jam device and let recoil pull your new rope into place while holding the handle. Reassemble and you are done. Disassembly requires Torx head drivers

Nov 26, 2010 | Ryobi Garden

1 Answer

How hard is it to replace the starter pull cord on a Ryobi 725r gas weed trimmer?


With the proper tools, it is a moderate level project for the DIY mechanic. You will need T15, T20 and T25 torx drivers. 5/8" spark plug socket, Large lip-joint pliers, phillips head screwdriver, 40" of #3.5 rope and about an hour. Start by removing the shaft from the engine. Take pictures as you go. This will make reassenbly easier. The black housing removes next. This will expose the clutch drum. There is a T15 or T20 screw in the middle of the drum. It removes counter-clockwise. Next is the clutch itself. Remove the sparkplug and lower the piston to the bottom of the cylinder. Push as much of the old rop down into the cylinder as you can, then raise the piston up to "lock the cylinder. Now you can use the pliers to turn the clutch counter-clockwise to remove. Don't lose the little washer that is ontop of the clutch, or the thick washer that is under the clutch. Be careful with the clutch, you don't want to damage or misposition the springs on it. They are pretty difficult to reinstall. Next, remove the airbox cover and disconnect the throttle cable. Remove the remaining screws form the tan plastic housing and take it off. Inside this housing is the recoil pulley. Remove the pulley, install the new rope. Wind the rope on the pulley and pass the loose end thru the eye and tie on the handle. To tension the spring, install the pulley and wind more of the rope around the pulley. Reassmble in reverse order. Make sure to get the clutch tight. Failure to tighten the clutch properly can cause major damage.
Good luck!

Aug 25, 2010 | Ryobi Garden

1 Answer

Howdo I fit a new pull start cord on a ryobi 25cc


remove the plastic housing to gain access to the recoil. Pull the cord slowly all the way out,this will cause the spring to wind up.Clamp the recoil wheel so it will not return to its original position,be carefull the recoil has tension on it not remove the old pull rope and thread the new one in and thru the hole of the recoil tie knot.pull on the cord to take tension off and at the same time remove clamp. Slowly allow the recoil to wind the rope in and reinstall on unit.

Dec 15, 2009 | Ryobi 30 Cubic Centimeter Curved Shaft Gas...

2 Answers

Ryobi 40cc chainsaw chain oiler function not working


1) check oil supply holes in the bar
2) With the bar removed, run the engine for 30 seconds, does oil come out of the side of the saw.
3) If no oil on the side of the saw, inspect the clutch drive spring and worm gear on oil pump shaft

Outboard drums (drums on the outside of the clutch) are held on by a nut or e-clip.

Inboard drums are held on by the clutch which is threaded onto the crankshaft. And there is the challange.
***NOTE all chain saw clutches have LEFT hand threads, so, rightey loosey, lefty tightey. (just backwards from everything else)

*** NOTE #2: DO NOT USE AN IMPACT GUN
this will most certainly shear the flywheel key or damage the flywheel !!!!! (after 35 years, you can ask me how I know that, LOL)

1) Use a piston stop to hold piston from moving: THIS IS A MUST !!!
Ok, so you do not have one, let's make one.
a) remove the spark plug
b) insert a piece of recoil rope into the cylinder hole, leaving a tail to remove it by. (rope, large shoe string, anything that is soft, that is aprox 1/4 to 5/16 in diameter to place into the spark plug hole to help the piston to stop it's travel by filling up the empty space. Just make sure you can remove it later)
c) secure the saw (extra set of hands may be needed) and with a suitable wrench on the clutch center, rotate the clutch to the right until piston comes to a stop. With a hammer, tap the wrench to aid in rotation. This can be very difficult, and may take several taps.
d) after removed, inspect and grease the drum bearing before re-assemlby.
e) upon re-assembly of clutch, tighten by hand only, NO hammer required. The force of the chain will tighten the clutch.
f) remove the rope, and re-install the spark plug.

Nov 16, 2009 | Ryobi Garden

1 Answer

Handle came off starter rope and rope rewound on spool. Took off power boom and took out tork screws and loosened cover from engine, but there is a metal disc, looks like a clutch cover on the end of the...


You shouldn't have to remove it. Just wide the disk up again to get tension on the recoil spring (lots of tension... enough to pull the rope all the way back in). poke the rope back out the hole ( the hardest part of the job) and put the handle back on. You should be back in action

Aug 20, 2009 | Ryobi Garden

4 Answers

Replace recoil starter for Homelite trimmer Model UT21546


My UT21546 has 2 springs, the regular recoil one and a what I'll call a anti kickback one. the top of the anti kickback spring kept coming unsecured and finally I just deleated it alltogther and screwed the 2 plates tightly togehter and the near new unit works better than new now.

Apr 29, 2009 | Homelite Mighty Lite Lawn Trimmer

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