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Thread: Tell me about transmission gears

  1. #1
    Modding the Motor ccdhowell's Avatar
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    Tell me about transmission gears

    At our XC race last weekend, my daughter's Breeze threw the chain 3 times. The last time I put it back on there was a distinctive gear grinding/knocking sound deep in the transmission. So I pulled the engine and split the cases, sure enough two gears are stripped in the transmission. I ordered them from Bike Bandit this morning.

    My question is, one of the gears is part of a gear set on one shaft. I only need to replace the one gear, how do get the gear off the shaft? The first picture is of the gear set, the second is my work table with the engine and trans parts scattered very carefully on it.

    Thanks
    Attached Thumbnails Attached Thumbnails Tell me about transmission gears-photo_110609_001.jpg   Tell me about transmission gears-photo_110609_002.jpg  

  2. #2
    Bolt-on Beginner stroken784's Avatar
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    Looks like it may have to be pressed off . The 660 has to be done that way .

  3. #3
    Modding the Motor BlueRapted's Avatar
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    Yamaha breeze.

    Here are the pics of the one I have,I cleaned the fenders up a little. The gas cap is missing,the seat foam was ruined,no grab bar,no tail-light,and tires are dry-rotted.
    Attached Thumbnails Attached Thumbnails Tell me about transmission gears-picture-102.jpg   Tell me about transmission gears-picture-103.jpg   Tell me about transmission gears-picture-105.jpg   Tell me about transmission gears-picture-106.jpg   Tell me about transmission gears-picture-107.jpg  

    Tell me about transmission gears-picture-108.jpg  
    2008 Raptor 700-Big 3 and some bling.SOLD
    2002 Raptor 686-and some stuff.
    2002 Raptor 660-Big 3.

  4. #4
    Stock, ready to MOD Robert's Avatar
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    all usually comes apart with snap rings on most trannies
    Custom XR650 quads and a Gixxer 750 Rappy

  5. #5
    Master Modder downfour's Avatar
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    so you get this thing back together yet?

  6. #6
    Modding the Motor ccdhowell's Avatar
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    Quote Originally Posted by downfour View Post
    so you get this thing back together yet?
    Oh yeah, it's running again. I got the gears from bikebandit, and a new set of rings to freshen the engine while I had it torn apart. Put it back together, new sprockets and chain and she runs like a champ. You can see the picture in my thread in the girls ride section, daughter took first place in last weekends race. Odd thing though, it now has a clicking knocking sound coming from the clutch area. It increases with RPMs. I have a vacation coming up in a month, I'll take the clutch cover off and take a look then, doesn't seem to affect anything at the moment. I don't know crap about CVT clutches, I thought I had to take the variator apart to get the belt off, turns out I didn't, but I figure I didn't get it screwed back together tight enough. I didn't have a wrench big enough, it's something like 41mm, so I tightened it with a chisel and hammer, gonna start looking there.

  7. #7
    Master Modder downfour's Avatar
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    Quote Originally Posted by ccdhowell View Post
    Oh yeah, it's running again. I got the gears from bikebandit, and a new set of rings to freshen the engine while I had it torn apart. Put it back together, new sprockets and chain and she runs like a champ. You can see the picture in my thread in the girls ride section, daughter took first place in last weekends race. Odd thing though, it now has a clicking knocking sound coming from the clutch area. It increases with RPMs. I have a vacation coming up in a month, I'll take the clutch cover off and take a look then, doesn't seem to affect anything at the moment. I don't know crap about CVT clutches, I thought I had to take the variator apart to get the belt off, turns out I didn't, but I figure I didn't get it screwed back together tight enough. I didn't have a wrench big enough, it's something like 41mm, so I tightened it with a chisel and hammer, gonna start looking there.
    i saw the thread and didn't even put two and two togther..

  8. #8
    Modding the Motor BlueRapted's Avatar
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    Did you get anything done on that one I traded you?
    2008 Raptor 700-Big 3 and some bling.SOLD
    2002 Raptor 686-and some stuff.
    2002 Raptor 660-Big 3.

  9. #9
    Stock, ready to MOD calumfoster's Avatar
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    Does anyone have you dissasembely for the transmition and is it a big job to replace stripped gears

  10. #10
    Stock, ready to MOD MikeR's Avatar
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    ccdhowell, I know this is a really old post but I'm having the same problem with my sons Breeze. I have the cases split but how did you end up separating the transmission gears? I've looked at it for a while last night and did a little prying but I didn't want to mess anything up so I stopped.

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