Question about 2002 Honda CR 250 R

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Can a 2002 Honda CR250R 2 Stroke run a 80km Endurance race open road whole way,so it means full throttle whole way,can it take it?

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No reason why it should not. Just check a few things before you set off though. All nuts and bolts and fasteners for tightness, Check for cracks on all suspension parts and engine frame, especially around welded areas. Make sure that the cylinder fins and the cylinder head fins are really clean. Check all the oil levels, preferably replace all the oils with good quality oil. Check the wheel bearings for play and roughness (do not remove them, just feel the wheels). Make sure your fuel supply is clear and that should do. On the ride, try to vary the engine revs when you can, most engines do not like to operate at a constant speed for too long, but 80 Km is not too bad, so good luck and have fun.

If you find this useful, please rate the answer, thanks.

Posted on Apr 07, 2011

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Either one will not allow the float/needle valve to shut off the flow of gas when the float bowl get's full.

This should be your carb:

http://www.bikebandit.com/houseofmotorcycles/2003-honda-cr250r-carburetor-02-03/o/m2194sch305112

The floats are the 2 large square items on #5 on the illustration.
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What is the top speed of a 2002 Honda CR250R 2 stroke?


The only figure I could find was 70 mph. But from all the research, what the bike is known for is power and reliability. It is also extremely strong and can take a tremendous pounding. It is right up there with the comparative Yamaha'sn Suziki's and the KTM. Good ,uck.

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1 Answer

2002 Honda CR 250 R carburetor tuning


Hi, Lymangroverg if you have changed your fuel delivery system, air filter size or flow rate, mufflers or exhaust system or a significant change in altitude your carburetors need re-tuning and if your fuel system (gas tank, filters, fuel valve and carburetor) is contaminated with ethanol sludge, varnish, rust, dirt, water etc. or your bike has been sitting for months or years without running these components must be "PROPERLY" cleaned and reassembled "CORRECTLY" before any adjustments can be made. Tuning your carburetor is fairly simple once you understand the basic principals. You engine is a simple airbox sucking air in and blowing it out, it is finely tuned at the factory for maximum performance once you upset that delicate balance by changing air filters, camshafts or exhaust systems your performance may go down the and the engine may run poorly, you need to compensate the air-fuel mixture in the carburetor in order for the engine to run smoothly and at peak performance. If you are running multi carburetors you need to sync them first and make sure your air cleaner element is clean and dry for paper elements or lightly oiled for foam and meshed elements and properly installed. Here is how and where you compensate trouble: "TIP" if your engine "BOGS" your not getting enough fuel.
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1 Answer

2 stroke


the oil injection cable is out of sync with thottle

The pump is set to a very specific position in relation to the carburetor opening. The manual will reveal all.

As I recall - and I could be wrong - it's been 30 years! since I last played with one - it was full open on the throttle/twist grip and there was a mark on the pump body that was supposed to align with a mark on the arm that the pump cable attaches to. Adjust the oil pump cable till it aligns. DO check with a Suzuki dealer though!

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