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Messages - kairos

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1
Japanese Bikes / Re: Honda H100 saga need help with carb jet adjustment
« on: July 10, 2017, 12:46:05 PM »
I have now removed the carb  (again)cleaned it and put it back on the bike and it started first time and throttled up OK. Sat on the bike and selected first gear and it died! Now I am back to square one.

I am just on my was to get an inline petrol filter. I will clean the carb yet again and see what happens.
it is rather frustrating. oh and I did flush the old petrol out before filling up with the new petrol but apparently modern petrol can loosen any old crud left in the tank.

Richard

2
Japanese Bikes / Re: Honda H100 saga need help with carb jet adjustment
« on: July 10, 2017, 10:08:44 AM »
Ok Rex,
Will do.
Richard

3
Japanese Bikes / Re: Honda H100 saga need help with carb jet adjustment
« on: July 09, 2017, 09:52:17 AM »
Hi L.A.B.
Thanks for your explanation of what the throttle screws are. I can keep the engine running by running the engine fast (plenty of throttle) but the minute I throttle back the engine dies. The original sponge filter fell to pieces when I took it out so maybe the filter acts as a choke? The parts page you sent me  was issued by CMS in the Netherlands I will contact them and see if they have a filter
as I can't source one in Uk.
Thanks again,
Richard

4
Japanese Bikes / Honda H100 saga need help with carb jet adjustment
« on: July 08, 2017, 11:20:57 AM »
Hi all,

What a quite forum this is ! I am gradually making progress with my H100. It now runs of sorts. I have no air filter and can't source one locally but the main problem is once I get the engine running I need huge amounts of throttle to keep it running and after about a minute it dies regardless of what setting I put on the idle or main jet adjustment screws.( Main jet  I think is the   screw near the orifice of the carb and the idle has a spring behind it. I started with about 1 1/4 turns on the main jet and 2 1/2 turns on the idle screw).
I have cleaned the carb .

Sorry Rex still no manual :-[

All suggestions gratefully accepted

Richard


5
Japanese Bikes / Re: Honda H100 saga. No spark
« on: June 12, 2017, 10:25:56 AM »
Hi Again,
Having had the night to think about not having any points got me thinking that maybe the main source of power to fire the spark plug comes from the battery . So this morning I have ordered a new battery. Rex  you are right about the manual . " if all else fails read the manual! ;D
Richard

6
Japanese Bikes / Re: Honda H100 saga. No spark
« on: June 11, 2017, 11:17:54 PM »
Hi Rex,
Well I was going to scrap the bike . But as it was a runner and contributors to my post suggested I sell it as a  Barn Find  I though I would plod on.
But it would sell better as a runner and of course the more I do  it has sort of become a hobby! Not that the wife is very impressed!
As I said in the post I have had the coil on the bench and I can only get a very small spark if at all. So I am wondering if over time the coil has broken down. Yep I will see if I can get hold of a manual.
Richard


7
Japanese Bikes / Honda H100 saga. No spark
« on: June 11, 2017, 12:08:46 PM »
Hi,
My Honda H100 2 stroke  has no spark or very little. I bought a flywheel puller only to find there are no points!
I have removed the HT coil and checked it by flashing 6volts to the LT terminal nil or very poor spark.

The HT lead seems OK
Not sure about the plug or the plug cap.
even putting the lead next to earth does not get a spark.

Measuring the LT circuit with a multi meter I get a very low ohms reading on any scale but do get continuity.
The HT circuit I get a reading of 4k Ohms.
The bike at the moment does not have a battery but I have been turning the ignition on. I think the ignition is independent of the battery.

Any ideas?
Many thanks

kairos

8
Japanese Bikes / Re: frozen throttle slide
« on: May 16, 2017, 11:51:04 AM »
Success !!!  I sprayed Plusgas over the frozen throttle slide yesterday and this morning. The whole assembly is still attached to the throttle cable but the carb is unbolted from the engine.

I put the whole assembly in a bowl and poured boiling water over it. Whilst pulling the body of the carb against the throttle cable and gently levering the  throttle  slide. The whole assembly slid apart! It was only congealed oil that was holding the assembly together
there is no sign of corrosion.

Thanks for all your encouragement.

Richard

9
Japanese Bikes / Re: frozen throttle slide
« on: May 15, 2017, 03:32:19 PM »
Hi Rex,
Thanks for filling in in my absence. You are nearly spot on . I had to order the Plus Gas and have just picked it up today . I will let you know how I get on.
Richard

10
Japanese Bikes / Re: frozen throttle slide
« on: May 10, 2017, 10:51:15 PM »
I have now done some research and yes Plusgas is still available.
Here are some other release agents.

Bilt Hamber Ferrosol ( Seems to be the best)
Plusgas Formula A

Holt Rustola DL110

Thanks for your help.
Richard

11
Japanese Bikes / Re: frozen throttle slide
« on: May 10, 2017, 04:24:14 PM »
Thanks Rex,
No haven't seen plus gas for years. I did wonder about freezing the slide with a spray can it might work.

Richard

12
Japanese Bikes / frozen throttle slide
« on: May 10, 2017, 11:54:02 AM »
Hi ,
From my last post. I am cleaning the fuel system of my Honda H100. two stroke. The throttle slide has frozen in the carb Body.
I have tried WD40, slightly heating the body of the carb ( I have to be careful or I will melt the top plastic screw cap!) Tapping the slide with a wooden dolly using a hammer and tapping the body of the carb. also Levering the slide with a screw driver  (carefully).

I have run out of ideas. any help would be much appreciated. The bike has not been used since 1990.
Richard

13
Japanese Bikes / Re: H 100 Fuel tap replacement
« on: May 01, 2017, 03:46:59 PM »
Thanks Rex and Kama,
I have now ordered the tap not from China but from an Ebay site in Bridgewater so hopefully I will not have a long wait.
It actually looks similar to the Chinese import.

Richard

14
Japanese Bikes / Re: H 100 Fuel tap replacement
« on: May 01, 2017, 08:12:05 AM »
Thanks .that's just what I wanted to hear!


15
Japanese Bikes / H 100 Fuel tap replacement
« on: April 30, 2017, 10:26:00 AM »
Hi ,
I have a Honda H100 1984 ish! I have found that the fuel tap is blocked , I expect it is the internal seals that have perished.
The assembly is riveted together so without destroying the tap I am stuck. My local Honda dealer wants £ 56 if they had one in stock!
I can get one from China for £6 odd but I am not sure of the thread. It is 14mm dia. The Chinese thread is 14mm x 0.1 pitch which seems to be pretty standard.
I would really prefer to get a tap from the UK if the price was right.
The part number is IAOI-5056580

Or maybe a tap from another bike would fit?


All advise would be most welcomed.

Richard

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