Hi, why won't my H2 start?

Klawsuc · Post by **Klawsuc** » Wed Jul 01, 2015 8:23 pm

Hi, restored my H2 using all new electrics, cleaned and set the carbs, new plugs etc. When i try to start it fires for a second then dies. Kick it over again and nothing. Leave it for a few hours and the same happens. Petrol seems to be getting thru' ok and there is a spark at the plugs.
I tried 3 different sets of ignition boxes and a different set of carbs. Still the same ???? What am i missing ? Help!

oldman · Post by **oldman** » Wed Jul 01, 2015 8:25 pm

Might be a silly thing to ask do you have compression

Malcolm · Post by **Malcolm** » Wed Jul 01, 2015 8:40 pm

Before you go dismantling stuff try a few bump starts, sometimes they just need to be shocked back into life

Post by **Wolfie** » Wed Jul 01, 2015 9:46 pm

It sounds like there is oil in the bottom end, it gets kicked up into the top and and kills the sparks after just a few seconds. removing the little turtles under the front will let any oil below drain out.

Or, you could try the bump with the plugs out first, but this might just mess up your new rebuild if there is some oil down there..

BIG H · Post by **BIG H** » Wed Jul 01, 2015 10:17 pm

Do you have a good earth between engine & frame?
Do a resistance check on the low speed charge coil
it should be 200 ohms,below 180,its had it.
( white & green wires in 3 pin connector)
unplug the black/white wire from small cdi box,
will it run now?

El Presidente · Post by **El Presidente** » Wed Jul 01, 2015 10:33 pm

I'm with Wolfie, Over oiled - also, very often if you foul new NGK plugs they are shot, replace them even though they are already new

BIG H · Post by **BIG H** » Thu Jul 02, 2015 6:44 am

If engine is over oiled,try to start engine with a hot plug. NGK 6 or 7 to burn off oil.
Do not ride bike with hot plugs in it,just let engine get hot then put back correct plug.
Even better don`t use NGK plugs,i found them nothing but trouble so gave up using them
over a decade ago.

stevie747 · Post by **stevie747** » Thu Jul 02, 2015 8:13 am

Carb inlet heat shields the wrong way up...

It's possible to install these upside down and if you do, it wont start, might get the occasional fart, but that's all. If you get to the stage of having your carbs off coz you still haven't got it going, stick your fingers down inside the inlet rubbers and if you can feel the gasket sitting proud, it wont go... guess how I know this

Post by **Steve L** » Thu Jul 02, 2015 5:16 pm

What are the best plugs to use in an H2.

stevie747 · Post by **stevie747** » Thu Jul 02, 2015 5:38 pm

Steve L wrote:What are the best plugs to use in an H2.

Most people use NGK, as long as you can be sure they're not Chinese moody versions...

Klawsuc · Post by **Klawsuc** » Thu Jul 02, 2015 8:55 pm

Hi,
Was home late tonight but tried the low speed charge coil, it's 210 ohms, the earths are all OK and unplugged the B/W wire. Still the same.
Carb inlets are correct way round.
Compression is fine.
Looks like a bit of pushing up and down the road and a plug change at the weekend.
Phil

BIG H · Post by **BIG H** » Thu Jul 02, 2015 9:59 pm

If you have taken the stator apart,have you set the timing the correct way?
(read the manual very carefully)
Recheck all the ignition wires for correct orientation.
Check the trigger coils resistance values.

Nigel S · Post by **Nigel S** » Thu Jul 02, 2015 11:10 pm

Try a whiff of easy start that allways works for me, if ur sure all is set up correctly.

Neil the Don · Post by **Neil the Don** » Sun Jul 05, 2015 4:08 pm

You might just want to try swapping your left and right plug leads over first.

Klawsuc · Post by **Klawsuc** » Sun Jul 05, 2015 7:47 pm

Well i finally it running. Guy's were correct on the over oiling. Because this bike was an on/off long term resto i made sure the engine was well oiled as it was left in a damp garage for 2 years. I didn't realise it would cause such a major problem at start up. Cheers lads, i had threatened with a big stick like john cleese and his mini in faulty towers. Phil

Rubbadub · Post by **Rubbadub** » Mon Jul 06, 2015 10:40 am

it was an austin 1100

Malcolm · Post by **Malcolm** » Mon Jul 06, 2015 12:22 pm

Rubbadub wrote:it was an austin 1100

To be sad and pedantic

It was an austin 1300 Estate

Rubbadub · Post by **Rubbadub** » Mon Jul 06, 2015 12:44 pm

brilliant!

Mitsui Spy · Post by **Mitsui Spy** » Mon Jul 06, 2015 1:20 pm

Didn't Sybil have a Mini? A Traveller.

Hal · Post by **Hal** » Mon Jul 06, 2015 1:36 pm

Malcolm wrote:
Rubbadub wrote:it was an austin 1100

To be sad and pedantic

It was an austin 1300 Estate

Tut tut, to be a true pedant

Malcolm it was actually an Austin 1100 Countryman

.
http://www.drivearchive.co.uk/vehiclede ... arID=11670

Malcolm · Post by **Malcolm** » Mon Jul 06, 2015 3:49 pm

Hal wrote:
Malcolm wrote:
Rubbadub wrote:it was an austin 1100

To be sad and pedantic

It was an austin 1300 Estate
Tut tut, to be a true pedant Malcolm it was actually an Austin 1100 Countryman .
http://www.drivearchive.co.uk/vehiclede ... arID=11670

Might have been also known as a countryman Hal or as my dad called them a "shooting brake", but definitely a 1300

http://newsthump.com/2010/10/27/basil-f ... r-auction/

.

Hal · Post by **Hal** » Mon Jul 06, 2015 4:37 pm

Malcolm wrote:
Hal wrote:
Malcolm wrote:

To be sad and pedantic

It was an austin 1300 Estate
Tut tut, to be a true pedant Malcolm it was actually an Austin 1100 Countryman .
http://www.drivearchive.co.uk/vehiclede ... arID=11670
Might have been also known as a countryman Hal or as my dad called them a "shooting brake", but definitely a 1300

http://newsthump.com/2010/10/27/basil-f ... r-auction/

.

Final word is 1100 Malc I'm afraid and your clip above is incorrect. The front end of Fawlty's has the smaller front grill of the mk1 and the 1300 motor was only introduced with the larger grilled mk11 versions starting in October 67 on an F plate (Fawlty's is an E plate). The Austin estate was a Countryman and Morris was a Traveller.
It is all here .... https://en.wikipedia.org/wiki/BMC_ADO16
You will have to get out of bed extra early to out pedant me

Apologies to all for letting this one go off topic so far.

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