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Search: Posts Made By: heart_of_darkness
Forum: Thumpers 10-01-2014, 05:56 AM
Replies: 10,651
Views: 1,466,728
Posted By heart_of_darkness
The conversion bearings are a generic kit, not...

The conversion bearings are a generic kit, not specific to the XRs. So use the spacers in whatever positions seem best to you.

I noticed that the thinner washer was the correct thickness to...
Forum: Thumpers 09-16-2014, 06:11 AM
Replies: 10,651
Views: 1,466,728
Posted By heart_of_darkness
A veteran enduro guy pointed out to me that dirt...

A veteran enduro guy pointed out to me that dirt bike bearings fail from water and grit getting past the seals, not from metalurgical failure. And water gets past most often from worn axle spacer...
Forum: Thumpers 09-16-2014, 06:01 AM
Replies: 10,651
Views: 1,466,728
Posted By heart_of_darkness
I used the conversion bearings on one build and...

I used the conversion bearings on one build and they're working fine. I did a minimalist writeup on TT. I forget which brand of bearings they are, but it was a decent but not top quality brand. ...
Forum: Thumpers 09-06-2014, 04:52 AM
Replies: 10,651
Views: 1,466,728
Posted By heart_of_darkness
I've done this conversion, and it's not a bolt on...

I've done this conversion, and it's not a bolt on swap. It requires some machining.

The two bearing sizes have different widths. On the left side, the axle spacer length compensates for the...
Forum: Thumpers 01-21-2014, 06:50 PM
Replies: 10,651
Views: 1,466,728
Posted By heart_of_darkness
I have an XRL and a 600R shock disassembled and...

I have an XRL and a 600R shock disassembled and side by side. The shock body and shaft seem to be based on the same cores, but Honda went crazy with all the little dimensional changes. The larger...
Forum: Thumpers 01-21-2014, 05:44 PM
Replies: 10,651
Views: 1,466,728
Posted By heart_of_darkness
CR and CRF wheels from 1995+ will all fit....

CR and CRF wheels from 1995+ will all fit. They're now fairly common, and no more expensive than XR wheels. Sell your original wheel and you'll break even. If you want to retain the mechanical...
Forum: Thumpers 01-21-2014, 05:29 PM
Replies: 10,651
Views: 1,466,728
Posted By heart_of_darkness
Those hydraulic pressure switches can be...

Those hydraulic pressure switches can be installed at the master cylinder. The switch and its wires are taller than the factory banjo bolt, so check that you'll have clearance for it. Mine comes very...
Forum: Thumpers 12-26-2013, 07:02 PM
Replies: 10,651
Views: 1,466,728
Posted By heart_of_darkness
I was thinking more about the forces involved,...

I was thinking more about the forces involved, and I think I understand what you're saying. All the relevant measurements are done starting from the shock at full extension. Static sag, rider sag,...
Forum: Thumpers 12-26-2013, 03:35 PM
Replies: 10,651
Views: 1,466,728
Posted By heart_of_darkness
If this is a slant body FCR with the removable...

If this is a slant body FCR with the removable intake bell, can you order the correct bell from Sudco? Or have a machinist turn down the outside diameter. Be aware that the XR6 and XRL factory...
Forum: The Garage 12-09-2013, 03:36 PM
Replies: 36
Views: 2,935
Posted By heart_of_darkness
That looks to be a very early non-air-tight...

That looks to be a very early non-air-tight insert made from bolted together cast plates. Those can leak a lot of air through the joints, which combines with the large diameter pipe and can make for...
Forum: Thumpers 11-13-2013, 02:24 PM
Replies: 10,651
Views: 1,466,728
Posted By heart_of_darkness
I think an old school non-electronic relay should...

I think an old school non-electronic relay should work on AC. You'll want non-LED turn signals.

It's possible to run a split AC and DC system, but easier and simpler to run a single DC system. ...
Forum: Thumpers 11-11-2013, 11:47 AM
Replies: 10,651
Views: 1,466,728
Posted By heart_of_darkness
Maybe the '85 shares the tank mounting system...

Maybe the '85 shares the tank mounting system with the XL600? Does it attach to the front of the frame with two bolts that screw in laterally, or does the frame have two peg shaped nubs with...
Forum: Thumpers 11-11-2013, 11:45 AM
Replies: 10,651
Views: 1,466,728
Posted By heart_of_darkness
Can you give me more help with this? When I look...

Can you give me more help with this? When I look at the shock shaft, the top channel through the shaft has a lot more material than just a normal thin peened over edge that I've seen in other...
Forum: Thumpers 11-06-2013, 04:47 PM
Replies: 10,651
Views: 1,466,728
Posted By heart_of_darkness
Yup, you're right that the shock has the same...

Yup, you're right that the shock has the same compressed length which is determined by the bump stop, which hasn't changed. (Assuming the piston shaft top nut doesn't contact the inside top of the...
Forum: Thumpers 11-06-2013, 02:57 PM
Replies: 10,651
Views: 1,466,728
Posted By heart_of_darkness
The raised piston position would allow the piston...

The raised piston position would allow the piston to go further into the shock body at full compression. I guess there's enough extra useable space there? And the tire won't bottom on the fender. If...
Forum: Thumpers 11-06-2013, 02:13 PM
Replies: 10,651
Views: 1,466,728
Posted By heart_of_darkness
So basically the spacer relocates the necked in...

So basically the spacer relocates the necked in shoulder part of the shaft upward, pushing the complete piston and valving assembly upward on the shaft, effectively creating a longer shock shaft....
Forum: Thumpers 11-06-2013, 10:11 AM
Replies: 10,651
Views: 1,466,728
Posted By heart_of_darkness
Good info. So the heighten the XRL shock, the...

Good info. So the heighten the XRL shock, the circlip groove is recut? Does the seal head get modified? Any changes to the shaft, or can it be swapped for an XR6 one?

The XRL compression...
Forum: Thumpers 11-06-2013, 10:01 AM
Replies: 10,651
Views: 1,466,728
Posted By heart_of_darkness
The kickstand / spring / frame mount assembly are...

The kickstand / spring / frame mount assembly are fairly universal. I have an XRL (I think) assembly welded to a CR250 frame. You could get one from a wide range of Honda models. Look for one that...
Forum: Thumpers 11-06-2013, 07:05 AM
Replies: 10,651
Views: 1,466,728
Posted By heart_of_darkness
hybrid xr600/xr650l shock?

Has anyone made an XR600 shock using the larger 650L 46mm piston?
Forum: Thumpers 11-06-2013, 05:24 AM
Replies: 10,651
Views: 1,466,728
Posted By heart_of_darkness
That's a good idea. It's nonpermanent to the...

That's a good idea. It's nonpermanent to the forks, and the altered springs would be easily swappable between sets of forks.

I'm half way through my first attempt at lowering a set and have...
Forum: Thumpers 11-06-2013, 04:59 AM
Replies: 10,651
Views: 1,466,728
Posted By heart_of_darkness
Ahh, that explains why nothing seemed to be...

Ahh, that explains why nothing seemed to be retaining the needle on the bottom end. Is the replacement nut the same design as for fixing all shock shafts that have accidentally had the peening...
Forum: Thumpers 11-04-2013, 02:23 PM
Replies: 10,651
Views: 1,466,728
Posted By heart_of_darkness
shock rebound needle

How is the rebound needle removed from the shock shaft?
Forum: Thumpers 11-04-2013, 02:21 PM
Replies: 10,651
Views: 1,466,728
Posted By heart_of_darkness
Do you know any stock applications for those...

Do you know any stock applications for those 480mm springs? Maybe a KTM?
Forum: The Garage 10-16-2013, 09:40 AM
Replies: 216
Views: 15,159
Posted By heart_of_darkness
I currently have that exact Idealarc, even with...

I currently have that exact Idealarc, even with the 2x4 wooden "skids" still attached. It has a piggyback high frequency box and TIG attachment. It doesn't have a foot pedal or any remote method of...
Forum: Northeast - Greater Flugistan and home of the carpet baggers. 08-31-2013, 05:20 AM
Replies: 8
Views: 700
Posted By heart_of_darkness
Thanks. I'm not even thinking about being...

Thanks. I'm not even thinking about being competitive with the scoring; I'm worried more about just getting through the course. I don't mind crawling along at a walking pace, but I'd rather not get...
Forum: Northeast - Greater Flugistan and home of the carpet baggers. 08-29-2013, 11:34 AM
Replies: 8
Views: 700
Posted By heart_of_darkness
Michaux enduro - how difficult?

How difficult is the Michaux enduro, in terms of merely getting through the route? For instance, compared to the Michaux dual sport ride or Hancock or the Birkshires ride? I've heard that the C...
Forum: Thumpers 08-28-2013, 05:52 AM
Replies: 10,651
Views: 1,466,728
Posted By heart_of_darkness
The factory carb doesn't have an accelerator...

The factory carb doesn't have an accelerator pump. Without that function, during acceleration the carburettion is too lean causing that gasping / coughing / bucking engine behavior. Running a rich...
Forum: Thumpers 08-28-2013, 05:19 AM
Replies: 10,651
Views: 1,466,728
Posted By heart_of_darkness
An XRL frame is more different than it seems. ...

An XRL frame is more different than it seems. The fuel tank, seat, rear fender, etc. have different mounting systems and will not swap.

My frame has a rewelded kickstand. The welding is not...
Forum: Thumpers 08-28-2013, 05:14 AM
Replies: 10,651
Views: 1,466,728
Posted By heart_of_darkness
I have the same problem. Just installing a new...

I have the same problem. Just installing a new brake pedal, with an un-worn pivot part, removed most of the sloppiness. The frame pivot hole is still egged out, of course, but the pedal travel is...
Forum: The Garage 08-20-2013, 07:35 PM
Replies: 28
Views: 4,312
Posted By heart_of_darkness
Are the bubbles in the vacuum bleeder always from...

Are the bubbles in the vacuum bleeder always from air, or could they be cavitation?
Forum: The Garage 08-20-2013, 07:08 PM
Replies: 9
Views: 1,523
Posted By heart_of_darkness
I think it's also possible to use a sacrificial...

I think it's also possible to use a sacrificial sheet of carbon steel layered over the stainless.
Forum: Thumpers 01-12-2013, 05:49 PM
Replies: 5
Views: 906
Posted By heart_of_darkness
Unbolt the air box and shift it rearward...

Unbolt the air box and shift it rearward slightly. That will slightly reduce how tightly the carburettors are crammed into the intake boot, allowing you to slide the carbs out. Then you can access...
Forum: Thumpers 01-12-2013, 05:08 PM
Replies: 132
Views: 18,755
Posted By heart_of_darkness
What is everyone doing about the too-long CRF...

What is everyone doing about the too-long CRF forks? They're nearly an inch longer than the XR forks.
Forum: Thumpers 01-12-2013, 05:07 PM
Replies: 132
Views: 18,755
Posted By heart_of_darkness
I made spacer bushings for both sides of the XR...

I made spacer bushings for both sides of the XR axle. I also had to space the brake caliper over with a few washers between the caliper mount and the fork. It did work, but was a hassle to...
Forum: Thumpers 01-12-2013, 05:04 PM
Replies: 30
Views: 3,456
Posted By heart_of_darkness
No, a later model camshaft won't work. Nor is it...

No, a later model camshaft won't work. Nor is it realistic to change the entire cylinder head and intake to make that cam work.

If you're still using the original stator, just order a Ricky...
Forum: Thumpers 01-12-2013, 04:27 PM
Replies: 28
Views: 6,846
Posted By heart_of_darkness
Looking at the wear pattern in the exhaust valve,...

Looking at the wear pattern in the exhaust valve, it looks to be skewed slightly. I also got a used XL250 with a backwards piston, and also thought the valves were okay despite indentations on the...
Forum: Thumpers 10-28-2012, 05:26 PM
Replies: 6
Views: 1,266
Posted By heart_of_darkness
This is a common problem among enduro riders who...

This is a common problem among enduro riders who run very narrow bars. Bar bends with the very narrow middle section are generically known as a mini bike bend. The renthal website gives measurements...
Forum: Thumpers 09-10-2012, 08:27 AM
Replies: 1
Views: 488
Posted By heart_of_darkness
If you want reliability, it might be worth having...

If you want reliability, it might be worth having an engine shop look over the head (and new valves that you'll need to order). Possibly the valve guides may have been damaged, and if the engine ran...
Forum: Thumpers 09-10-2012, 07:27 AM
Replies: 10,651
Views: 1,466,728
Posted By heart_of_darkness
102.4mm pistons

I'm shopping for a 102.4mm piston for an XR600 engine. It seems that only Wiseco now makes that size; JE and XRs Only only list up to 102mm.

Wiseco lists 102.4 pistons for the XRL, rated at 9:1...
Forum: Thumpers 02-10-2012, 05:58 PM
Replies: 9
Views: 1,567
Posted By heart_of_darkness
Perhaps it should be god in the machine. ...

Perhaps it should be god in the machine.

I'm guessing that's in Indonesia or maybe SE Asia?
Showing results 1 to 40 of 87

 
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