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TECHNICAL MOTOBRICK WRENCHING In Remembrance of Inge K. => The Motobrick Workshop => Topic started by: WoahGold on October 10, 2012, 03:31:11 PM
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For the short story skip down.
I was riding home this afternoon when I noticed that no matter how much throttle I gave the bike would not accelerate. Then when I'd pull in the clutch the bike would decelerate quickly. Then when I finally did get up to speed the bike had a VIOLENT shake in the front, at which point I decided to pull over. I parked in a Wells Fargo lot and noticed that it was quite difficult to walk the bike around it felt like they were stuck about half on. I pulled on the front lever and it moved almost without resistance. I hopped off and went to inspect the brakes and they were HOT. I was going to pull the brake lever off and check it but I had no flathead in the tool kit. I settled on working the lever repeatedly, letting the brakes cool and gave each of the calipers a couple of good love taps with the wrench at which point they released. I then rode home.
I'm not sure whether the stick was in the master cylinder or in the calipers but either way I dont want it to happen again and my gut says something needs some lubricant, but I'm not sure exactly what. I did recently change the brake lever, but I did grease it. Where should I look first?
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Seems like MC piston haven`t returned fully, usually caused by corrosion and/or crystallized brake fluid
at outer end of the bore.
Inge K.
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I'm with Inge...if they were both stuck it's the MC.
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Makes sense to me, I'll open it up, clean it out, and hit it with some silicon spray. Thanks
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If it's not the m/c, check for collapsed or blocked brake lines.
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Make sure both holes in the bottom of the MC container are open. If you look into it you'll see what I mean. One is larger than the other.