The face of a two stroked death - Speedzilla Motorcycle Message Forums
 
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post #1 of 10 (permalink) Old 12-31-2011, 09:16 AM Thread Starter
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The face of a two stroked death

I have never seen anything like this before. A cylinder piece broke and fell into the high revving engine. The crankshaft and rod picked the metal chunk up and got stuck immediately after a quarter turn. The right crankcase in torn open in 3 spots. Farewell my former CR 250 engine.





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post #2 of 10 (permalink) Old 12-31-2011, 10:07 AM
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What year motor is that 90-91?

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post #3 of 10 (permalink) Old 12-31-2011, 10:51 AM Thread Starter
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Hi Waldo,

wow good eye mate! Itīs a 90 motor.

I have been looking for a replacement as rebuilding the current one is expensive. I have calculated 700€ minimum with ebay parts. Europe is really bad for MX spares. The American market is full of CR parts though.

If you know anyone who has a spare complete motor, let me know.
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post #4 of 10 (permalink) Old 12-31-2011, 11:10 AM
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The case looked like the 92-01 but the cylinder is the old style. I see those motors on ebay all the time:

1990 Honda CR250 Engine Bottom End Case Transmission 90 CR 250 | eBay

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post #5 of 10 (permalink) Old 12-31-2011, 02:12 PM
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Well ain't that a bite in the pants?
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post #6 of 10 (permalink) Old 12-31-2011, 05:20 PM Thread Starter
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Quote:
Originally Posted by Waldo View Post
The case looked like the 92-01 but the cylinder is the old style. I see those motors on ebay all the time:

1990 Honda CR250 Engine Bottom End Case Transmission 90 CR 250 | eBay
Yeah ebay US is full of CR parts, vintage or not. Good place. I saw the motor you posted the day before yesterday, but didnīt fancy the crack in the oil drain screw area. Thanks for the link though!

What I was wondering, would another year motor bolt right up to the mounting holes and swingarm? I know that I would need to sort out the hosing and get a pipe, but that would be alright as long as the price was right.
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post #7 of 10 (permalink) Old 12-31-2011, 08:09 PM
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Not as bad as what happened to my R6 motor.


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post #8 of 10 (permalink) Old 12-31-2011, 09:21 PM
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Quote:
Originally Posted by Ben710 View Post
Yeah ebay US is full of CR parts, vintage or not. Good place. I saw the motor you posted the day before yesterday, but didnīt fancy the crack in the oil drain screw area. Thanks for the link though!

What I was wondering, would another year motor bolt right up to the mounting holes and swingarm? I know that I would need to sort out the hosing and get a pipe, but that would be alright as long as the price was right.
The lower section does look like my 92-01. If you want to take some measurements and email to me, I can check them against mine.

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post #9 of 10 (permalink) Old 04-14-2015, 05:39 AM
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Nice find. It's in a lot better shape than the rc project I found. Out of curiousity how much would you want for the chrome wheels shipped to Arizona?


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post #10 of 10 (permalink) Old 11-25-2015, 07:09 PM
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Nothing lasts forever. Good luck with your project.
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