Question about 1985 Honda XR 250 R
Do not use a universal CDI unless you have the exact wiring cross-over diagram, or have tech help from the manufacturer. You can short out the CDI and other ignition components like the stator.
Posted on Apr 04, 2014
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Posted on Jan 02, 2017
go to your local honda dealer or a good library and look up the exact make and model of your bike and get the plug wiring code for the cdi,most bikes i know aere different from each other in the cdi wiring,if you get it wrong the first time,you will fry the cdi and they are quite expensive to replace..hope this helps
Posted on Jul 06, 2009
No it will not work.
Posted on Oct 01, 2009
Testimonial: "Quick answer. Wish i knew why they won't work though, same year bikes and make other than mine is a vt500c the other is a vt500 both 1985."
If you need to remove the cylinder head, here's how. To remove the cam chain, you've got to also remove the left crankcase cover and flywheel.
First, you need to turn the engine over until the piston is at top dead center (TDC) of the compression stroke. Begin by removing the two round covers from the left side of the crankcase cover. Also remove the four tappet hole covers from the cylinder head cover. Turn the engine (in the normal direction of rotation) and watch the intake valves open - and close, then see that the exhaust valves open, then close. Now align the 'T' on the flywheel with the notch in the inspection hole. With all of the valves closed, the engine is at TDC of the compression stroke. Do not begin removal of the cylinder head cover until this is done - to avoid damage to the cover.
With the cylinder head cover removed, you will find two bolts attaching the cam chain sprocket to the camshaft. Turn the engine until you can get a 10mm socet onto the heads of the bolts and remove them. The sprocket will come loose and slide down onto the camshaft, enabling you to remove it an the camshaft.
Upon reassembly, set the cam timing by first setting the engine at TDC. Then, align the two marks on the cam sprocket with the gasket surface on the cylinder head. With the engine at TDC and the marks lined up, the cam timing is properly set.
Before calling the job done, make sure to adjust the tappet clearances to .002" on the intake and .003" on the exhaust valves.
Posted on Oct 25, 2009
Hi and welcome to FixYa,
On Asian versions of an 84 Honda XR200R, the CDI unit has six wires:
The ignition coil has 2 wires:
Good luck and thank you for asking FixYa.
Posted on Nov 11, 2009
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