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Author Topic: 1998 Honda cr80  (Read 4314 times)

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Offline sean e mcfly

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1998 Honda cr80
« on: November 10, 2013, 09:12:40 PM »
im trying to take three 5mm allen nuts off the exhaust. got two off but when I try the last one on the clutch side the allen wrench hits the frame. when I go threw the front with the t handle I cant get a good grip because of the exhaust pipe. any ideas? trying to change the gasket because its spitting fuel on my bike and so I can clean the exhaust pipe with a heat gun.
« Last Edit: December 31, 1969, 04:00:00 PM by ' »

Offline evo550

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1998 Honda cr80
« Reply #1 on: November 10, 2013, 10:12:57 PM »
Take your exhaust off first.
« Last Edit: December 31, 1969, 04:00:00 PM by ' »

Offline sean e mcfly

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1998 Honda cr80
« Reply #2 on: November 11, 2013, 02:37:00 AM »
thanks for the help
« Last Edit: December 31, 1969, 04:00:00 PM by ' »

Offline factoryX

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1998 Honda cr80
« Reply #3 on: November 11, 2013, 04:08:01 AM »
 :-X
« Last Edit: December 31, 1969, 04:00:00 PM by ' »


I ride an 03 yz250, wait 04, wait 05, what ever, they're all the same #$@% YOU!

Offline TMKIWI

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1998 Honda cr80
« Reply #4 on: November 11, 2013, 04:37:27 AM »
Can you get a ball end allen key into the problem bolt. If so put a cresent on the short end to give you more leverage. Normaly works a treat.
« Last Edit: December 31, 1969, 04:00:00 PM by ' »
If you don't fall off you are not going hard enough

Offline Stusmoke

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1998 Honda cr80
« Reply #5 on: November 11, 2013, 06:33:14 AM »
Take your exhaust off first.


Lulz


Spitting fuel on your bike sounds like rich jetting. If the o-ring is shot, by all means, replace it. but you should address the problem at the source as well.
« Last Edit: December 31, 1969, 04:00:00 PM by ' »

Offline sean e mcfly

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1998 Honda cr80
« Reply #6 on: November 19, 2013, 03:23:59 AM »
got everything change out the o ring needed to be replaced as well. started it up. it was leaking by the o ring. so now I have to see if I flip the o ring so the opening part of the o ring is on the bottom will work out better. plus I am trying to set the carb just in case its rich in jetting. any tips will be appreciated
« Last Edit: December 31, 1969, 04:00:00 PM by ' »

Offline _X_

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« Reply #7 on: November 19, 2013, 10:29:39 AM »
the o ring should be in one piece, unless i am missing something.
« Last Edit: December 31, 1969, 04:00:00 PM by ' »

Offline sean e mcfly

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1998 Honda cr80
« Reply #8 on: November 19, 2013, 01:37:54 PM »
the o ring I got from the Honda store doesn't completely rap around the muffler piece by the top end with three allen screws. there is a gap when it is on.. should it be a complete rap around?
« Last Edit: December 31, 1969, 04:00:00 PM by ' »

Offline _X_

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« Reply #9 on: November 19, 2013, 10:02:42 PM »
all that i know are unbroken, the parts microfisch shows no separation. sometimes parts are mixed in the bins they stock. do you have the part # sean?
« Last Edit: December 31, 1969, 04:00:00 PM by ' »

Offline evo550

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« Reply #10 on: November 20, 2013, 07:18:21 AM »
Is the "O" ring a round rubber ring, or a flat tin type seal ?
The rubber ring should be unbroken, the flat tin type has an opening.
« Last Edit: December 31, 1969, 04:00:00 PM by ' »

Offline sean e mcfly

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1998 Honda cr80
« Reply #11 on: November 20, 2013, 03:08:29 PM »
its tin. not rubber. am I suppose to have a rubber one too. according to the picture at the shop I just need  the tin. I didn't see anything with rubber in the picture or on my bike when I took it apart. I know these bikes had problems with this area of the pipe spitting crap onto the motor. so there might be an aftermarket upgrade but I haven't found one online yet
« Last Edit: December 31, 1969, 04:00:00 PM by ' »

Offline _X_

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« Reply #12 on: November 20, 2013, 09:32:53 PM »
no you have the right part then sean. maybe the pipe flange to manifold has worn out over the years. a bead of high temp silicone might help short term.
« Last Edit: December 31, 1969, 04:00:00 PM by ' »

Offline eprovenzano

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« Reply #13 on: November 21, 2013, 02:21:34 PM »
I'm with Racer on this one..  I too use high temp silicone when installing the exhaust.
« Last Edit: December 31, 1969, 04:00:00 PM by ' »
Eric Provenzano
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