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Discussion Starter · #1 ·
I just bought a 1996 300 fourtrax 4x4. Had some head noise, so I started looking into the head and the chain tensioner was broken. So I got a new one, the chain guide (exhaust side), new rocker arms and everything that goes with that. I also bought a cam sprocket and chain. I am having issues with getting the centrifugal clutch off. Any suggestions???? And do I need to take anything else off other than the oil pump to get the old chain off and new on????
 

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I just bought a 1996 300 fourtrax 4x4. Had some head noise, so I started looking into the head and the chain tensioner was broken. So I got a new one, the chain guide (exhaust side), new rocker arms and everything that goes with that. I also bought a cam sprocket and chain. I am having issues with getting the centrifugal clutch off. Any suggestions???? And do I need to take anything else off other than the oil pump to get the old chain off and new on????
The centrifugal clutch has to come off and the oil pump has to come off and I believe the other clutch has to come off, too, if I remember right. Also, the valve cover and tensioner, but you already know that.

As far as the centrifugal clutch, there's a puller made to take it off with, but I've never had to use one. I usually just tap the side of the clutch with a hammer hard enough to jar it and then take both hands and get hold of it and pull hard and it usually comes off. If that don't work for you, then you'll probably have to get a puller. I don't know if you've gotten the big nut that holds the clutch on loose yet, but if you haven't it has left-hand threads. To take it off, turn it clockwise. I use an air impact wrench to take it off.
 

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Discussion Starter · #5 ·
Thanks. I have printed out the manual and have it handy. To get the other clutch off what do I need to do? Do have to to take any bolts out of it or anything? Looking at it, to me it should just pull off like the other one. Am I right or do I have to undo the bolts that are in it to remove it?
 

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Thanks. I have printed out the manual and have it handy. To get the other clutch off what do I need to do? Do have to to take any bolts out of it or anything? Looking at it, to me it should just pull off like the other one. Am I right or do I have to undo the bolts that are in it to remove it?
You have to remove the 4 center bolts, first, and remove the center piece and clutch discs and plates. Watch how everything comes out. Then you have to loosen the center bolt. The trick to getting the center nut loose is that you have to hold the clutch basket with a special tool. But if you have an air impact wrench, you can usually hold the basket with your hand and loosen it with the impact gun. This clutch isn't pressed on, so when you get the big nut in the center off, you can just slide the clutch off. This clutch has right-handed threads, so you will need to turn it counterclockwise to get it off.
 

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Discussion Starter · #7 ·
Ok, thank you. I will give give it a try and keep you posted. Keep your fingers crossed. lol
 

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Good luck bud.Sounds like your getting into a big undertaking.
 

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Ok, thank you. I will give give it a try and keep you posted. Keep your fingers crossed. lol
You're welcome and good luck.
 

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i maybe too late here..but..you don't need to remove the clutch disk..in order to replace the timming chain in these bikes..just the centrifugal clutch..and oil pump..then the chain will come off.
 

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i maybe too late here..but..you don't need to remove the clutch disk..in order to replace the timming chain in these bikes..just the centrifugal clutch..and oil pump..then the chain will come off.
Are you sure Shadetree, because I was thinking that primary drive gear on the end of the crank wouldn't pull off until you removed the fiber clutch and you can't get the chain around or between the primary drive gear and the big clutch gear. The clutch basket sticks out a little further than the big clutch gear on the back of the basket and that blocks the primary gear from sliding off the crank. Take a look at the picture below.

 

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See look at the picture below. It tells you that you have to remove the centrifugal clutch, change clutch(fiber clutch), and oil pump before you can remove the primary drive gear.

 

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Welcome to the forums!
 

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Discussion Starter · #14 ·
Thanks for all the information and help. I got the chain on and the bike back together. However, tightening the oil line to the value cover, the bolt spun off. I know bad me. So I have to find out if the dealer has two bolts or if I will need to order them. Was looking forward to getting it running tonight, but I got carried away. *slaps hand* I know better too. Just was trying to get the hole lined up and got it to tight. So I will let everyone when I get it running and how it sounds. Thanks again. I appreciate it.
 

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Just was trying to get the hole lined up and got it to tight.
You don't have to line that hole up in the bolt with the hole in the line. Oil will still flow through it. Just tighten it up to it's snug and leave it.
 

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Discussion Starter · #16 ·
Now you tell me. LOL Thanks, when I get or find the new bolt I will do that. Thanks Helmet. Appreciate all the help!
 

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Now you tell me. LOL Thanks, when I get or find the new bolt I will do that. Thanks Helmet. Appreciate all the help!
Sorry, I never really thought about it, I'm just so used to doing it I guess. You're not the first person to do that. I've seen a few people do that before.
 

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Discussion Starter · #18 ·
Its ok Helmet. I should of known better. I have worked on enough things to know that I should of backed it off and started again or asked the question on whether it needed to be lined up.
 

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i maybe too late here..but..you don't need to remove the clutch disk..in order to replace the timming chain in these bikes..just the centrifugal clutch..and oil pump..then the chain will come off.
Are you sure Shadetree, because I was thinking that primary drive gear on the end of the crank wouldn't pull off until you removed the fiber clutch and you can't get the chain around or between the primary drive gear and the big clutch gear. The clutch basket sticks out a little further than the big clutch gear on the back of the basket and that blocks the primary gear from sliding off the crank. Take a look at the picture below.

yup helmut..you are correct..my bad..sorry.it's been awhile sinse i tore into the timming chain..again..you are correct. :)
 

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i maybe too late here..but..you don't need to remove the clutch disk..in order to replace the timming chain in these bikes..just the centrifugal clutch..and oil pump..then the chain will come off.
Are you sure Shadetree, because I was thinking that primary drive gear on the end of the crank wouldn't pull off until you removed the fiber clutch and you can't get the chain around or between the primary drive gear and the big clutch gear. The clutch basket sticks out a little further than the big clutch gear on the back of the basket and that blocks the primary gear from sliding off the crank. Take a look at the picture below.

yup helmut..you are correct..my bad..sorry.it's been awhile sinse i tore into the timming chain..again..you are correct. :)
Yeah, that's easy to forget. I wouldn't sure and then I got to thinking about it and I looked in the manual and then I remembered. It's probably been about a year since I changed one, too.
 
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