Crankshaft

**Wed Apr 12, 2006 9:55 pm » Post: #1 » Download Post**

How would you know if your crankshaft is bad? I suspect my bike has a bad crankshaft, when i start it i hear this tik-tik noise . Sad

**Thu Apr 13, 2006 4:21 am » Post: #2 » Download Post**

You can check the play at the base of the conrods, can't remember what the spec is...but you would have to take the barrels off.
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'87 MC16

**Thu Apr 13, 2006 4:49 am » Post: #3 » Download Post**

You can also get to it by removing the reed cages as well.
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To much HP is barely adequate!

**Mon Apr 17, 2006 4:43 am » Post: #4 » Download Post**

Remove reed valves and poke the feeler gauge in there. You're looking for a max clearance of 0.85mm according to Honda. I think that over 0.7mm is getting a bit close, even though that's within the standard spec.

Measuring the end clearences will only tell you some of the story though. Crank out is better.

Tik tik tik........may be your RC valves? Had this before with worn shafts.

**Mon Apr 17, 2006 5:44 am » Post: #5 » Download Post**

Thanks for the info. I'll try to get a video and post it here.