Here's the correct one.
https://www.bike-parts-honda.com/hon...061/E_17/1/909
Here's the correct one.
https://www.bike-parts-honda.com/hon...061/E_17/1/909
The one off the tank might be an overflow drain for around the filler cap on the tank that drains it to the ground.
Is the one in image two connected at the other end from your finger to the carb .. ??? Is there a spare "Outlet" on the petcock .. ??
With the age of the bike ... I would have thought a vacuum line would be fitted.
And at 29,000 km's ... unless the bike has been SERIOUSLY abused ... I doubt that compression issues are the problem.
When life throws you a curve ... Lean into it ...
Yes, it does go to the carb.
There is just two lines from the petcock - vacuum line and a fuel line.
So the vacuum like goes to the centre of the head it seems (image 1). You can just make out where its going.
The fuel lines goes to the centre of the carb.
(image 1 showing vacuum line connected the head)
(image 2 showing fuel line connected to carb)
(image 3 showing petcock)
The vacuum line should go to the CARB (from the petcock).
The hose attached to the center of the Head should be a breather hose for the top of the engine to go down below the engine to drain out to the ground. Usually gasses and a few spotty bits of oil (at worst) come out. This is so the top end of the engine (camshafts and top of the valves) does not pressurize.
Connect the vacuum line to the carb and the line from the top of the head down and behind/below the engine. Preferably to the side and away from the rear wheel centerline.
Then see how it goes.
When life throws you a curve ... Lean into it ...
Look at this diagram https://www.bike-parts-honda.com/hon...061/F_14/2/909
Item #10 is the main fuel supply to the carbs. refer to diagram E-17 to where that connects. All carbs will connect together with a pipe, one of which will have a T for the fuel pipe to connect to
Item #19 is the vacuum line to opens the fuel when the engine is running. Refer to E-2 to see where that connects. This will be a connector on the inlet manifold, between a carb and the cylinder head. When the engine cranks and creates vacuum in the intake, the diaphragm valve on the fuel tap open and allow flow to the carb bowls
There will also be an overflow pipe from the carb, as stated keep this out of direct line of the tyre
it's not a bad thing till you throw a KLR into the mix.
those cheap ass bitches can do anything with ductape.
(PostalDave on ADVrider)
When life throws you a curve ... Lean into it ...
In diagram E14, there are 4 T pieces (item 5, 7, 9 & 10) which hoses could connect to. If the diagram is to scale, 9 looks bigger so thats *probably* the crankcase breather, if it is the same diameter as the breather attachment on the top of the cam cover (diagram E1, arrow out going out to F17).
I think 7 is the fuel inlet because its going to diagram f14, the fuel tank. 5 looks like it attaches to a hose pointing downward so *probably* a carb float bowl overflow drain, which leave 10 as the vacuum source to the fuel tap. You've probably worked this out already, but diagrams Exxx refer to engine, Fxxx refer to frame, ie everything else
Hold up! Another look. the crankcase vent in the top of the cam cover goes to the air filter case diagram F17, and the T connector 9 in the carbs as above goes to another breather valve in the air cleaner (also diagram F17.)
Disclaimer I have never been close to a hornet 250 :-)
Last edited by pete376403; 11th February 2021 at 21:27. Reason: added a bit more
it's not a bad thing till you throw a KLR into the mix.
those cheap ass bitches can do anything with ductape.
(PostalDave on ADVrider)
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