Drinking Fuel

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Drinking Fuel

Post  Mauser on Sat Nov 22, 2014 10:08 pm

Ok I appologise for posting problems with a Yamaha on here but here goes....

The DT175 has had the carb stripped and fully cleaned new washer where required and the float height confirmed as being correct at 21.5mm....however she started 2nd kick after putting carb on and rigging up a temp tank....syringe she now drinks fuel as a silly rate ?....reeds are spot on ?....
Video here if anyone can help me out ?....
https://www.youtube.com/watch?v=WU2Jp44paHE&feature=youtu.be

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Re: Drinking Fuel

Post  Pathfinder on Sun Nov 23, 2014 2:15 pm

Hard to say if that is actually too high a flow without knowing how much was in the syringe.
I'm guessing its about 20 ml at start of video and it takes 20 odd seconds to guzzle it, so thats about 3 or so litres an hour, which does'nt sound too off the mark to me.

Of course, its likely I've completely misjudged the syringe capacity....so how much was in there at the start of clip?
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Re: Drinking Fuel

Post  JRZ7285 on Sun Nov 23, 2014 3:33 pm

Don't know much about these bikes except that they were one of a kind when they first came out!  could it be filling the float bowl? It might not look as bad if you used a bigger fuel container like clear 2 liter soda bottle, the syringe makes it look like she really is drinking fuel!

Was the choke still on? I know you have to add gas + oil but she looked really smoky that's why ask about choke. My 87' Honda cr500 would do the same if choke was left on she would definitely get rid of the mosquitos! BRP smile
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Re: Drinking Fuel

Post  Mad Frosty on Mon Nov 24, 2014 12:02 am

Bit smokey not funny
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Re: Drinking Fuel

Post  BuRP on Wed Nov 26, 2014 1:35 pm

Leson Wan on 2stroks:
- zey guzzle juice
- zey ride foarking hard
- zey smooke a lot
- zey guzzle petrol
- zey alsho guzzel oil
- zey really really guzzel fuel

Geddit? Cool
Ride the darn thing Maus', only lawnmovers are allowed to idle in your driveway BRP smile Bump
Ah, no, didn't watch ze movie, ze internet ies slow at work here.
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Re: Drinking Fuel

Post  BuRP on Wed Nov 26, 2014 1:38 pm

Besides, and still haven't watched the movie, pls consider that a carb will intake more fuel than when static when the engine runs ie vibrates.... nudge nudge Bump
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Re: Drinking Fuel

Post  Mauser on Wed Nov 26, 2014 2:10 pm

Problem sorted the end of the pilot jet was missing....wait you might say how could you miss this ?.....easily considering how small the actual jet is....lol...probably 3mm thread with a main hole being 1mm diameter...then it should neck down to about 2mm of plain section with a 0.3mm hole through.....bloody tiny is an under statement lol
Just collected parts from Yamaha will upload another video showing the new set-up.

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Re: Drinking Fuel

Post  ooeddym on Wed Nov 26, 2014 8:34 pm

Its always nice when can find the actual problem, I hate it when you have to dig and dig and dig and still not figure it out.
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Re: Drinking Fuel

Post  Mauser on Wed Nov 26, 2014 8:44 pm

Here you go guys, might be same problem for the piggy in the future....she runs pretty good now this was first start up after new pilot jet fitted...

https://www.youtube.com/watch?v=_ZruYZwGzmo&feature=youtu.be

Just to show what was wrong.....this is how small the bugger is.....4mm allen bolt as guide...you can see the end of the old jet missing....




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Re: Drinking Fuel

Post  kirky on Thu Nov 27, 2014 8:39 am

at least its sorted now Mauser nice
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Re: Drinking Fuel

Post  BuRP on Thu Nov 27, 2014 12:41 pm

Tsk tsk tsk Mauser, zey stil guzzel feul yuo no BRP smile
And, if I may, don't ever buy a 50cc stroker.... or a 15cc chainsaw razz

OK, now to the main/bestest part: how does it RIDE ?
Post a youtoob of you wheelying the tits off it pls... asking for it
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Re: Drinking Fuel

Post  BuRP on Thu Nov 27, 2014 12:46 pm

Eh Mauser,

if it does not wanna wheely........
http://www.ebay.de/itm/Yamaha-DT175-MX-1978-1983-Big-One-Performance-Exhaust-Tail-Pipe-Alloy-Silencer-/200889172059
You'd need a lil' bigger jets with it too Wink
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Re: Drinking Fuel

Post  Mauser on Thu Nov 27, 2014 7:48 pm

No test ride till she is MOT'd, tax'd and insured BRP smile BRP smile BRP smile BRP smile BRP smile BRP smile BRP smile going to cost me dearly for insurance....been quoted £67 fully comp !!! my god am I made of money ? Bump Bump Bump Bump Bump Bump Bump Bump

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Re: Drinking Fuel

Post  Mad Frosty on Thu Nov 27, 2014 11:15 pm

Not enough smoke , asking for it
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Re: Drinking Fuel

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