help

downpipe3 · Post by **downpipe3** » Thu Aug 20, 2009 6:55 am

i have in for repair a 69 h1 that has a bit of a head scratcher problem
the bike starts up and runs but will not pull away under throttle
i have cleaned the carbs
replced the fuel tap gasket which had broke up
the fule tank cap was not venting and causing a vacume in the tank
i have checke dthe timing
the compression is abit out 120/155/130
i have fitted new plugs they are at 39thou
i tried another a box
it tried a b box
generator
sg rotor
rotor
i even tried the carbs off my h1a
and it still will start but when you open the throttle it jsut goes UURRRRRGHHH and dies
the only thing i have not tried is to change the coil and the genertor lead assembly for the left hand side
ANY THOUGHTS ANYONE ?

Post by **Wolfie** » Thu Aug 20, 2009 7:56 am

Are the exhausts clear Gary?

husson73 · Post by **husson73** » Thu Aug 20, 2009 9:17 am

Wolfie wrote:Are the exhausts clear Gary?

Agree and look at the baffles.

scouse · Post by **scouse** » Thu Aug 20, 2009 9:34 am

yep
swap the pipes with your H1a as you know they work

Gary T

downpipe3 · Post by **downpipe3** » Thu Aug 20, 2009 7:14 pm

good point
i think the bike has only done 2-300 miles since rebuild
sam had that idea as well
i will let you know
thanks

kas750 · Post by **kas750** » Thu Aug 20, 2009 7:46 pm

Just take the silencers off gary to try it.We all know you have a very understanding neighbour.

666rog · Post by **666rog** » Thu Aug 20, 2009 8:09 pm

weak spark under load.

Bizkarts · Post by **Bizkarts** » Thu Aug 20, 2009 8:47 pm

kas750 wrote:Just take the silencers off gary to try it.We all know you have a very understanding neighbour.

Like it

the180kid · Post by **the180kid** » Thu Aug 20, 2009 9:03 pm

my bike had that problem when i was dialing in the 750 carbs on the 350, was all down to pilot jet size and needle position,...although if your stock?, compression is way low too,..

666rog · Post by **666rog** » Thu Aug 20, 2009 11:39 pm

A spark can look good outside the cylinder but if a coil is weak it can fail under load.

downpipe3 · Post by **downpipe3** » Fri Aug 21, 2009 6:41 am

the dragon even her husband class her that

more good ideas thanks chaps
thing is i am going drag racing this weekend so no chance of fixing it

Post by **Wolfie** » Fri Aug 21, 2009 8:01 am

Take it with you, perhaps it just needs a good clear out...

GinaG · Post by **GinaG** » Sun Aug 23, 2009 1:14 pm

Wolfie wrote:Take it with you, perhaps it just needs a good clear out...

Take it with you, perhaps it just needs a good clear out... Ha ha Foxy your such a card, yeah do what i "used to do Gaaaaaary" Once it starts holding back change up a gear & "DEATH IT" this is a sure way to either unblock it or more than likely "trash the motor"

Nuff said me thinks..... Oi Delboy "SHUT IT YOU SLAGG"

El Presidente · Post by **El Presidente** » Fri Aug 28, 2009 3:29 am

PTFE Tape off the Carb Float bowl screws have blocked the main jets

downpipe3 · Post by **downpipe3** » Fri Aug 28, 2009 6:35 am

still no closer
i have bank holiday monday off and hope to sort it by then
and try all the above mentioned
ptfe on the carb bowl ? never seen that before whats the idea of that?

Turkish · Post by **Turkish** » Fri Aug 28, 2009 9:17 am

are the carbs getting enoug fuel when reving it. fuel tap
knackerd/blocked somewhere fuel pipes are they the right diameter

downpipe3 · Post by **downpipe3** » Tue Sep 01, 2009 7:00 am

Jeff wrote:are the carbs getting enoug fuel when reving it. fuel tap
knackerd/blocked somewhere fuel pipes are they the right diameter

tried all that jeff
took 1 of the baffles it was clean,tried my coil and all of my ignition parts still no different,tried my carbs,the bike runs but its gutless you have to really rev it to make it move and even then its gutless
crank seals ?
any other ideas
i dont like to gu=ive up but its getting close to that point now as when the bike was dropped at my house i thought it was just a carb problem !!

S2Gerald · Post by **S2Gerald** » Tue Sep 01, 2009 9:22 pm

downpipe3 wrote:still no closer
i have bank holiday monday off and hope to sort it by then
and try all the above mentioned
ptfe on the carb bowl ? never seen that before whats the idea of that?

Joke-detector switched off?

the180kid · Post by **the180kid** » Tue Sep 01, 2009 9:30 pm

wrong rings fitted causing blow by, whats the compression check at ?,.

downpipe3 · Post by **downpipe3** » Wed Sep 02, 2009 6:46 am

i think i may have solved it
battery is 2 years old
a cupfull of acid in it ,its been overcharged at some point ,it has 1 of those trickle charger leads on it

it shows 12volts but its dry and all the plates are warped i think it may also be cracked
i have a fresh battery on charge abd will try it tonight

weird it showing 12volts though !

Post by **Wolfie** » Wed Sep 02, 2009 7:41 am

Rog gets the coconut then....

downpipe3 · Post by **downpipe3** » Thu Sep 03, 2009 6:47 am

nope still baffled
new battery same problem
the bike will jsut not pull away
BizkarTS Martin came round last night and all we can point to is a air leak on the engine cases as it has a brand new crank

Kawasaki Triples Club

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