KAWASAKI KH & S SERIES FORUM

cossackmannie · 1st gear Joined: 31 May 2009 Posts: 25 Location: Aberdeen

Hi all,
Now I've had the KH250 for a couple of weeks, I've had time to look it over and form a bit of a game plan.
It's been sitting in a barn since 1992 and is quite rusty. I'd like to get her running before I strip her down so this is what I've done so far-
Plugs have been cleaned and gapped
Points cleaned and gapped. No evidence of arcing/burning
Carbs have been cleaned out and all parts move freely inside
oil pump seems to be ok
new fuel lines put on as the old ones were rigid
tagged and labeled EVERYTHING!
motor turns freely with good compression on all three pots
electrics seem to all work

After putting a 20:1 mix into the fuel lines and priming the carbs, I turned her over gently. Then I gave her a couple of good kicks. No sparks on all 3 plugs. My next port of call will be cleaning up all the connections to the coils.
If I get no joy up to this point, what's my next move guys?

Cheers
Ian

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BIG AL · Posted: Sun Jun 07, 2009 5:56 pm Post subject:

Put a screwdriver in between the points and see if you get a spark you should get one between plugs as well , if it sparks at the points and not at the plugs, condenser are goosed

cheers
Al
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ja-moo · Posted: Sun Jun 07, 2009 6:40 pm Post subject:

There is usually a reason they were not ridden for so long. Some times you just do more damage trying to start them. If it's a restoration, I personally would just get to taking it apart.

g6mow · Posted: Sun Jun 07, 2009 7:16 pm Post subject:

Not in this country. The 250's were kids bikes. They were the largest capacity bike you could ride at 17 without passing your test. Most of them were thrashed to within an inch of their lives for a year or so then abandoned for a bigger bike.
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ja-moo · Posted: Sun Jun 07, 2009 7:36 pm Post subject:

cossackmannie · 1st gear Joined: 31 May 2009 Posts: 25 Location: Aberdeen

My reasoning for trying to get all systems working is this-

I'd rather try and sort any underlying faults before I start stripping it down. If there are any major problems with the motor or electrics, then I won't be damaging paintwork, chrome etc heaving the motor in and out to sort them.
If it all works before it's stripped down and doesn't when it's all back together, then it's DEFINATELY something I've done and I can retrace my steps to find the fault.

Like you said Ja-Moo, just the way each of us do things.

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"I'm telling you! Lard IS a food group!!"

kas750 · 5th gear Joined: 26 Dec 2007 Posts: 836 Location: chorley

cossackmannie · 1st gear Joined: 31 May 2009 Posts: 25 Location: Aberdeen

Would that be a Flying Squirrel?

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"I'm telling you! Lard IS a food group!!"

simonh · Posted: Sun Jun 07, 2009 9:27 pm Post subject:

only one 250 ever had failed to start, and someoneelse built the engine

even the rustiest pieces of crap, ran after a clean up

unusual for lack of 3 sparks, somink easy or major

The Wolfman · Posted: Sun Jun 07, 2009 9:42 pm Post subject:

I go for the make it work then restorate it approach too, my H2 had stood forlorn in a woodshed for ten years and just cleaning the carbs provided a few quick rides before the teardown.

A good place to check with a meter or bulb for a non sparker is at the yellow connectors under the tank (halfway point), should be 12v there.

12v means your looking at points or coils for your problem, and
no 12v means your looking at ignition switch and kill switch.

By far the most likely culprit is a fusty connector or switch.

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