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Random1111

2 stroke newbie with a KH250

I have a KH250 that I saved from the scrap pile. I am trying to do this project without spending too much money.

So far I have replaced the coils as 2 of the 3 were bad. There is also a large rust hole in one of the exhaust pipes but I was lucky enough to pick up some pipes on ebay at a decent price.

Now my biggest problem that I know of is the carbs. One of the jets got striped out and stuck inside the carb. I was able to get it out and hopefully I have it threaded to where it will work. I am still missing the jets for it and also during my cleaning process destroyed 2 of the carb floats. As far as I can tell they only way to replace these is to pick up some used carbs which I haven't had much luck with that so far on ebay.

I was wondering if anyone knows where to get repacement floats or even if floats from a different set of carbs that could work? Is this one of those thing you just suck it up and buy roundslides?

Thanks.
Rand
180kid

Hi mate, welcome,
getting to know the bike is all in the fun of it, get your hands dirty, much better then just buying and riding, parts are plentyful, electrics can be a woe, but check all connections as you go,..should be able to get some floats from board members,.and jets too,..250 parts still even turn up at auto jumbles
any specific probs let us all know,

:thumright:
g6mow

Should be able to help you with most parts you require.

You can contact me on the email address below.
BIG AL

Hi Rand
and welcome, you should be able to get the parts from simon or Z power in leigh and there plenty of info in the posts
http://www.z-power.co.uk

cheers
Al
simonh

i've got jets :thumright:
Random1111

Great it looks like it will be possible to get the parts.

I do have another question regarding the oil jet. Since this bike has been sitting out for years, is there a way to test the oil jet system before trying to fire the bike up?
180kid

Random1111 wrote:
Great it looks like it will be possible to get the parts.

I do have another question regarding the oil jet. Since this bike has been sitting out for years, is there a way to test the oil jet system before trying to fire the bike up?


you cant just expect it to run?,
all will have to be cleaned, :smt102 make sure its all clean, will /should bleed through if sucking properly hold the pump wide open watch for 2t through lines,, i always put a 2t in petrol before starting a new build,.
Brian.
simonh

180kid wrote:


you cant just expect it to run?,


yes you bloody can, first thing i do is get them running, worry about the other crap first :oops:  :shock:  :thumright:

but brians right, put a bit of 2st oil in the petrol tank.  give you chance to bleed new oil thorugh the pump :thumright:
180kid

simonh wrote:
180kid wrote:


you cant just expect it to run?,


yes you bloody can, first thing i do is get them running, worry about the other crap first :oops:  :shock:  :thumright:

but brians right, put a bit of 2st oil in the petrol tank.  give you chance to bleed new oil thorugh the pump :thumright:


ruff arse, lol,  :thumright:
husson73

Bienvenue mon gars :thumright:
Random1111

180kid wrote:
simonh wrote:
180kid wrote:


you cant just expect it to run?,


yes you bloody can, first thing i do is get them running, worry about the other crap first :oops:  :shock:  :thumright:

but brians right, put a bit of 2st oil in the petrol tank.  give you chance to bleed new oil thorugh the pump :thumright:


ruff arse, lol,  :thumright:


And a big welcome to me ha Thanks
Random1111

Anybody have a spare set of carbs for the KH250 they would sell? I seem to be striking out with parts.

Or maybe someone knows of other carbs that are easier to get a hold of that will work?
The Wolfman

Welcome Rand.

We don't wanna sell you all the bits in one go, it'll take all the fun out it for you.

(and us too)

carbs are cheap and plentiful, whenever you see carbs advertised for 350s 400s (sometimes even 500s and 750s) they are often just 250 carbs...  you shouldn't have too much trouble finding some complete.

Good luck with it, hope to meet you out and about sometime on her.
The Wolfman

You can also spin the oil pump (after lifting it off the cases) with a drill and hold the cam right open to pump at max, you should see any little bubbles travelling along the pipes, the oil pumps rarely fail.
Random1111

Ah cool, thanks for the tip on the oil pump.

I have seen carbs listed for other bikes but I hesitate to bid on them. I would hate to pick up a set and find they are too big. What is the easiest way to tell?

Rand
simonh

250 carbs are the only triple carbs to have idle adjust on top of carb, next to cable.

apart from s1 250 which arelike mini s2/s3 carbs
The Wolfman

simonh wrote:
250 carbs are the only triple carbs to have idle adjust on top of carb, next to cable.



Are they??? now I come to look around......

Every day is a school day. :D
HIGGSPEED

simonh wrote:
250 carbs are the only triple carbs to have idle adjust on top of carb, next to cable.

apart from s1 250 which arelike mini s2/s3 carbs


Errm you mean apart from the 500 carbs dont you Si !
180kid

Random1111 wrote:
Ah cool, thanks for the tip on the oil pump.

I have seen carbs listed for other bikes but I hesitate to bid on them. I would hate to pick up a set and find they are too big. What is the easiest way to tell?

Rand

http://cgi.ebay.com/ebaymotors/Pa...%3A1318&_trksid=p4506.c0.m245

v rare carbs with the different cutaway to slides only on 72's !!, cheap start too......:thumright:
simonh

HIGGSPEED wrote:
simonh wrote:
250 carbs are the only triple carbs to have idle adjust on top of carb, next to cable.

apart from s1 250 which arelike mini s2/s3 carbs


Errm you mean apart from the 500 carbs dont you Si !


fuck off dave this is a s board, h(omo) owners not allowed :-D  :thumright:
simonh

:smt102 maybe i'm mistaken then??
180kid

simonh wrote:
:smt102 maybe i'm mistaken then??


no, its an S series forum.... :thumright:
HIGGSPEED

Yes its an s series forum but that wont help the guy looking for carbs for his 250 will it dumbo, and 180 kid owns a h2 and a h1 so what does that make him?
They are all fucking triples  :-D
180kid

180kid wrote:
Random1111 wrote:
Ah cool, thanks for the tip on the oil pump.

I have seen carbs listed for other bikes but I hesitate to bid on them. I would hate to pick up a set and find they are too big. What is the easiest way to tell?

Rand

http://cgi.ebay.com/ebaymotors/Pa...%3A1318&_trksid=p4506.c0.m245

v rare carbs with the different cutaway to slides only on 72's !!, cheap start too......:thumright:


Be WARNED triple buddies !, now i remember this guy tried to have me over on some ridiculous posting charges, last yr, get price first if thinking to bid on out' from him.... :thumright:
simonh

HIGGSPEED wrote:
Yes its an s series forum but that wont help the guy looking for carbs for his 250 will it dumbo, and 180 kid owns a h2 and a h1 so what does that make him?
They are all fucking triples  :-D
shut yer mouth slaaaaaaaaaaaaag!! i meant i dont care about 500 catbs  :-D
simonh

180kid wrote:
simonh wrote:
:smt102 maybe i'm mistaken then??


no, its an S series forum.... :thumright:
no bri i looked at those carbs and theyre just like kh250 carbs, i thought early s1 were like s2/s3 carbs but 22mm      
180kid

Nah...all the same on S1 and Kh, all had little rubber noddy hats !, just the slides were diff,..on 1st early bike,.. :thumright:
kas750

Did i miss you yesterday Brian? :oops:
180kid

Hi Adrian
yeah had a slack day mate, just thought to pop' round but i went out for ride and missed your call back,....might see you wkend for ride down, is it still on to the southern?,.be an expedition !,. have you got the route planned with all the petrol stations....lol...fully weather dependant for me, dont have any waterproofs !..... :roll:
g6mow

Think we might be in the van Bri, weathers not looking good :roll:

AND i just looked how far it is  :shock:  :shock:  :oops:  :oops:
180kid

g6mow wrote:
Think we might be in the van Bri, weathers not looking good :roll:

AND i just looked how far it is  :shock:  :shock:  :oops:  :oops:


ok, no brainer really..... :thumright:
kas750

are you fancying it Brian?reckon if we take it easy should do it on a tankful there and back :thumright:      in the van that is,not the bike lol :D
180kid

still want to ride down,

http://maps.google.co.uk/maps?f=d...m_term=blackpool%20to%20maidstone

5hrs.....lol,

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