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Lapa user
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852 Posts
Discussion Starter · #1 ·
hi to all!!!!


I disassembled my carbs for cleaning..
after cleaning i could not put intake boots because they are old,
hardened, and broken... :icon_frow
(also the air box was very damaged)



I've built by myself with the hose with sheath electric hose


1: Take two tubes of different diameters one for carb, one (smaller) for air case



2: cut hoses for right length and mount it with thermal tape



3: clean air-case and refit on the bike chassis.. ,repair the rupture of the box with adhesive for hydraulic hoses (because it is petrol -resistant)




4: remain shocked by this horrible orange and despair :mrgreen:


5: stop complaining, and take a sponge and a little black paint (like that of
plastic car bumper)

6: paint air case




7: look at the blood on your hands, come out when you tried to put the new intake boot amid airbox and the carbs.. :mrgreen:


8: disinfect your hands dirty with gasoline and fat. : D



9:hate yourself because you did not use gloves



10: final results!!!!! : D perfect !!!!





but now, i have a problem... after carbs cleaning i put pilot screws at 2 turn
from ''fully closed position''..
the gasoline are inside carbs ... but bike don't start!!! :eek:

if bike don't start i cannot sync with vacuum meter :|

WHY??????

thanks to all!!!


ever sorry for my english!!! : (



Davide.
 

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Registered
Joined
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334 Posts
Thats a very clever fix Davide.

Is your engine turning over?
Do you have a spark at the plugs?
Does your bike have a cut out switch?
On my bike - just under the clutch lever is a small connector that will not allow my motor to fire if it is not connected properly!
Hope that helps!
 

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WFO Enthusiast
Joined
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89 Posts
Or you can do the following....

Successfully Resurrecting Old Rubber Parts
(Found on the internet)

This subject has been broached before but I am happy to report success in
revitalizing old rubber.

I have been using a mixture of 30% wintergreen oil (methyl salicylate) and 70%
xylene to restore old rubber parts and it works beautifully. This is the same
ingredients and proportions for the commercial product Rubber Renue according to
the MSDS sheets.

Wintergreen oil is analgesic and liniment for aching muscles and found in most
drugstores, pharmacies, health food stores and co-ops.

I gently heated rock hard honda CB carb boots with a heat gun for 30 seconds and
dropped them into mason jars with my solution for 12 hours at room temperature.
They come soft, pliable and looking good. They have been out of solution for 48
hours now and are still soft and pliable. I soaked smaller rubber parts such as
side panel grommets and there extremely soft and may need to soak for less time
 

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Lapa user
Joined
·
852 Posts
Discussion Starter · #5 ·
Or you can do the following....

Successfully Resurrecting Old Rubber Parts
(Found on the internet)

This subject has been broached before but I am happy to report success in
revitalizing old rubber.

I have been using a mixture of 30% wintergreen oil (methyl salicylate) and 70%
xylene to restore old rubber parts and it works beautifully. This is the same
ingredients and proportions for the commercial product Rubber Renue according to
the MSDS sheets.

Wintergreen oil is analgesic and liniment for aching muscles and found in most
drugstores, pharmacies, health food stores and co-ops.

I gently heated rock hard honda CB carb boots with a heat gun for 30 seconds and
dropped them into mason jars with my solution for 12 hours at room temperature.
They come soft, pliable and looking good. They have been out of solution for 48
hours now and are still soft and pliable. I soaked smaller rubber parts such as
side panel grommets and there extremely soft and may need to soak for less time

I should know first..!!! thank you!! but you have a idea why bike after carbs cleaning doesn't start?? :confused:

thanks!|
 

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Navy Vet Search & Rescue
Joined
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8,842 Posts
I know you made your own boots but did it have boots before you cleaned the carbs or was it rejetted to run with open carbs. If it ran before you cleaned the carbs then most likely the problem is something you changed during the carb cleaning. Like a kink in the fuel line or something.
 

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Premium Member
Joined
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3,951 Posts
I can't offer any help with all the mechanical problems but i can "play nurse" and bandage your hurt hands...:biggrin: :tongue:
 

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Registered
Joined
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1,221 Posts
Have you put the fuel tank on Prime so that the float bowls are definitely full of fuel? You can check to make sure you have fuel by loosening the small screws on the bottoms of the float bowls.
 

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AZ's Official Mechanic
Joined
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5,201 Posts
nice work on intakes but man thats gonna be a ***** to get the carbs back out so you can recheck the carbs/clean the pilots.........

did it run before you did all this work ? it will still run/start without the air box. if you can get to the carbs you can spray carb cleaner down the carb throats and see if it fires up. if it starts then there is fuel delivery problem. (pilots are plugged) thats my diagnosis over the net.....

pull carbs and clean pilots...... good luck
 

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Vintage bike addict
Joined
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4,812 Posts
Did you reinstall your vacuum lines correctly? Is the vacuum line firmly attached to the petcock and carb? Any kinks in any fuel or vacuum lines?
 

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Vintage bike addict
Joined
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4,812 Posts
Close it if you are using a peanut tank or just running the fuel in the bowls.
 
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