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Old 11-02-2012, 07:11 AM   #6121
Royal Club
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Joined: Jul 2012
Location: The Netherlands
Oddometer: 392
Are the altenator cover checkhole 'bolts' all the same? as in thread dimensions?

as in:

can I use these hexa bolts,


in this type of cover?


also, what are the valveclearance specs for a hotcam on a 1988 xr600 head?

Royal Club screwed with this post 11-02-2012 at 07:31 AM
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Old 11-03-2012, 03:08 AM   #6122
Mike the Yank
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Quote:
Originally Posted by lookfar View Post
Cheers for that Mike....Good talking to you as well


.
BRP lives, my rewound stator works perfect, started even when hot today, first or second kick!
I think my carb settings are off now though, idle was really high as it got hot. Adjusted it down twice but still climbed higher as temps rose. Waiting for a thermostat from XR's Only and then I'll have a better clue. Oil and filter change still looks new so might not have gotten as hot as I thought.
Hey JAB, dropped needle stopped the loading up, thanks for that!
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Old 11-03-2012, 03:38 PM   #6123
error cooled
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Joined: Jul 2007
Location: Arlington, Virginia
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Did a few tweaks on the 1988 XR600R to get the bike in prime shape come spring.

I sold my WR250R and the ol XR will be the main ride for awhile. Main changes were a new fatbar setup, mechanical speedometer, a rear rack and some prettying up

Tusk Fatbars, Pro-Taper Adaptors - really has taken the vibes down


Speedo, up close


Stainless rack scored on eBay... I am guessing Honda OEM from somewhere. Will be used mainly as an anchor for my Giant Loop bag


As she sits


I have a pair of cartridge forks to overhaul this winter and will probably be picking up an Acerbis tank as well. One thing I am looking forward to is come January I can pick up an antique plate -- as the bike will be 25 years old. This means no inspection or registration fees for the remainder of my ownership

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Old 11-03-2012, 03:50 PM   #6124
Alaskajeff
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Joined: Feb 2011
Location: Palmer, ALASKA
Oddometer: 1,125
Quote:
Originally Posted by error cooled View Post
Did a few tweaks on the 1988 XR600R to get the bike in prime shape come spring.

I sold my WR250R and the ol XR will be the main ride for awhile. Main changes were a new fatbar setup, mechanical speedometer, a rear rack and some prettying up

Tusk Fatbars, Pro-Taper Adaptors - really has taken the vibes down


Speedo, up close


Stainless rack scored on eBay... I am guessing Honda OEM from somewhere. Will be used mainly as an anchor for my Giant Loop bag


As she sits


I have a pair of cartridge forks to overhaul this winter and will probably be picking up an Acerbis tank as well. One thing I am looking forward to is come January I can pick up an antique plate -- as the bike will be 25 years old. This means no inspection or registration fees for the remainder of my ownership

NICE work brother!! Way to keep OUR classics OR ANTIQUEs alive.
You REALLY need to do something about that exhaust though With all your modernizing it looks a tad out of place. I can recommend a nice silencer for ya.

I'm really happy with it and the sound is AWESOME!!
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Old 11-03-2012, 07:22 PM   #6125
error cooled
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Location: Arlington, Virginia
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Quote:
Originally Posted by Alaskajeff View Post
NICE work brother!! Way to keep OUR classics OR ANTIQUEs alive.
You REALLY need to do something about that exhaust though With all your modernizing it looks a tad out of place. I can recommend a nice silencer for ya.

I'm really happy with it and the sound is AWESOME!!
Thanks Jeff -- these are good old bikes for sure.

I am a stock exhaust kind of guy. I doubt I would see a worthwhile benefit in performance that would be enough to overcome the sound @ 98DB.

Right now my bike can be pretty stealthy when need be.
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USFS Motorized Access in Virginia - Protect your dual sporting access in the commonwealth.
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Old 11-03-2012, 11:20 PM   #6126
lookfar
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Joined: Feb 2011
Location: Cairns, FNQ
Oddometer: 579
Cry

Hmm,
started pulling the XR to bits today, got the motor out and having good look at the frame...found this???????

Rear subframe appears to be a bit twisted, it doesn't follow the centreline of the bike.
Rear wheel lines up ok with the rest of the bike, appears to be limited to the subframe. F@#$%^&IT!!!
That might explain why there was evidence of the muffler rubbing on the rear tyre........

What is the consensus? Repairable??




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Old 11-04-2012, 01:49 AM   #6127
Mike the Yank
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I reckon you can fix that Stu, couple of wood block sandwich bolted to the off parts and bend that sucker back. Clean, powder coat and nobody will know the difference!
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Old 11-04-2012, 01:57 AM   #6128
lookfar
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Joined: Feb 2011
Location: Cairns, FNQ
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Quote:
Originally Posted by Mike the Yank View Post
I reckon you can fix that Stu, couple of wood block sandwich bolted to the off parts and bend that sucker back. Clean, powder coat and nobody will know the difference!
G'day Mike,
I'm not too fussy on how it gets fixed, either with a crowbar, or tie the frame to something solid and drag it straight with the winch on my car (8000 Lb Warn)

Bit of bush ingenuity and all will be good.


.
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Old 11-04-2012, 08:58 AM   #6129
Ghost_Mutant
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Location: border of granite & flats
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frame bending 83 XR5

My pair of parts XR5s for $100 needed frame work. The extra parts 84 frame was damaged beyond my abilities to repair, but the parts 83 frame needed tweaking in the rear area similar to what lookfar is showing. When I bought the parts bikes I wasn't sure if I'd be able to rebuild one to make a working XR, thankfully in the end it worked out without too much extra ebay purchases

Here is some photos from the frame bending fiasco:

First make a jig out of something sturdy. I used LVL manufactured lumber, but bolting it to the floor would probably work


The jig allowed me to use a bottle jack to somewhat carefully control the bending process. Notice in the photo that the wood block is cracked where the jack is pushing. It did break and I had to make a much beefier mount to get the final 1/2" of bending done. Wear eye protection for when the wood gives away


I actually had two bends to deal with. In the photo above you can see a heat spot where I had first used a torch to make a local bend back on the right side rearmost extension of the frame where the fender mounts. After the right side fender mount was back straight, then I built the jig and cut a block of LVL to keep the back of the frame together as a unit as I bent the whole rear portion using the bottle jack. Notice that the swing arm pivot/bolt is installed for the final/main bending operation.

It came out much nicer and was worth the hassle of fixing


I spent some time checking my frames and suspension components during my rebuilds because the previous owners seemed to have crashed a few times in spectacular fashion
Two more photos, notice the twisted swing arm from the 84 which is now in the attic never to be used again

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Old 11-04-2012, 11:18 AM   #6130
The Dogger
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Inlet Manifold

Hi
A couple of questions about the inlet manifold ( single carb )

Looking in through the carb end , there appear to be razor type marks , as if someone has tried to cut away uneven bits of rubber sticking up , by hand. Or is this how they come as standard ?

Secondly , when looking at it from the cylinder head side , there is a 25mm/ 1inch circle in the metal plate ( not sure what it's called ) . Is that standard ?

Seems a bit small , and I'm worried it's some sort of restrictor plate

I've Googled for images without success , and my manual doesn't show any pictures or have any dimensions

Cheers
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Old 11-04-2012, 02:08 PM   #6131
lookfar
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Joined: Feb 2011
Location: Cairns, FNQ
Oddometer: 579
Quote:
Originally Posted by The Dogger View Post
Hi
A couple of questions about the inlet manifold ( single carb )

Looking in through the carb end , there appear to be razor type marks , as if someone has tried to cut away uneven bits of rubber sticking up , by hand. Or is this how they come as standard ?

Secondly , when looking at it from the cylinder head side , there is a 25mm/ 1inch circle in the metal plate ( not sure what it's called ) . Is that standard ?

Seems a bit small , and I'm worried it's some sort of restrictor plate

I've Googled for images without success , and my manual doesn't show any pictures or have any dimensions

Cheers
If you could post a pic or two, it would greatly help us to understand your question and to give the right answer.


.
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The early bird catches the worm, but the second mouse gets the cheese.
Growing old is mandatory... growing up is optional.
1985 XL250R
1985 XL600R 1988 XR600
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Old 11-04-2012, 03:32 PM   #6132
The Dogger
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Quote:
Originally Posted by lookfar View Post
If you could post a pic or two, it would greatly help us to understand your question and to give the right answer.


.
Thanks for your reply
Unfortunately I don't have pics . If one of you has a pic , that'd be great

The key bit is , is a 25mm inlet hole for the fuel/air mix to go into the head standard, ? I can't find a reference in the Clymer

Cheers
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Old 11-04-2012, 03:46 PM   #6133
The Shred
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Location: NY82: ALB 156 @ 13
Oddometer: 425
Quote:
Originally Posted by lookfar View Post
Hmm,
started pulling the XR to bits today, got the motor out and having good look at the frame...found this???????

Rear subframe appears to be a bit twisted, it doesn't follow the centreline of the bike.
Rear wheel lines up ok with the rest of the bike, appears to be limited to the subframe. F@#$%^&IT!!!
That might explain why there was evidence of the muffler rubbing on the rear tyre........

What is the consensus? Repairable??





The subframe bends very easily with a 6' x 2" pipe. Put it under the arch and over the other cross bar.
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Old 11-04-2012, 10:32 PM   #6134
lookfar
from the land of OZ
 
Joined: Feb 2011
Location: Cairns, FNQ
Oddometer: 579
Quote:
Originally Posted by The Dogger View Post
Thanks for your reply
Unfortunately I don't have pics . If one of you has a pic , that'd be great

The key bit is , is a 25mm inlet hole for the fuel/air mix to go into the head standard, ? I can't find a reference in the Clymer

Cheers
Here are a couple of pics of a intake manifold for an '88 XR600.

How different is it to yours?





.
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The early bird catches the worm, but the second mouse gets the cheese.
Growing old is mandatory... growing up is optional.
1985 XL250R
1985 XL600R 1988 XR600
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Old 11-05-2012, 09:30 AM   #6135
elsalvadorklr
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Joined: Nov 2008
Location: Columbus, GA
Oddometer: 4,149
Quote:
Originally Posted by error cooled View Post
Thanks Jeff -- these are good old bikes for sure.

I am a stock exhaust kind of guy. I doubt I would see a worthwhile benefit in performance that would be enough to overcome the sound @ 98DB.

Right now my bike can be pretty stealthy when need be.
hey jeff you are forgeting that our 88 bikes if stock have twin headers...you cant adapt any aftermarket pipe easily without at least making a coupler!

I have later year header and fmf exhaust as it will fit

also my twin pipes waiting till I have money some day to get or make a twin header exhaust..

cheers
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