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Old 10-01-2007, 12:36 AM   #46
oldxr
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my 87 xr600r at coco's in baja last march-a fun ride
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Old 10-01-2007, 10:31 AM   #47
ere109
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I just saw a guy on an '86 XL600 riding through the Cherry Creek area in Denver this weekend. Awesome!
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Old 10-03-2007, 12:53 AM   #48
rayleon1
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XL600R advice.

Hi,

I recently bought an XL600 (1984) and was thinking of doing a few upgrades on it, can you recommend any? I have the rear shock from an XR600 to go on, shall i do something with the front suspension?

Cheers
Ray.
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Old 10-07-2007, 09:43 AM   #49
Cordless
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I've got the front end, but need the rear for my '85 XL600.

Quote:
Originally Posted by rayleon1
Hi,

I recently bought an XL600 (1984) and was thinking of doing a few upgrades on it, can you recommend any? I have the rear shock from an XR600 to go on, shall i do something with the front suspension?

Cheers
Ray.
The gurus on Thumpertalk recommend using the front end off an XR600 (much more robust and taller forks) and installing emulators. That will match the front end to the XR rear shock. The other possibility is putting modern USD forks on the XL--but that's much more expensive and doesn't offer much improvement (experts say--I don't know).

I bought the forks and triple tree from an '86 XR600 on eBay shipped for $70. I will need to replace the trashed fork seals and then install the emulators. A nice winter project.

Another option is to install a post '91 XR front end to take advantage of the cartridge forks Honda went to. (I looked but couldn't afford this option.)

But I want to know where you sourced the XR shock. I am looking but would benefit from your advice.
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Old 10-08-2007, 01:23 PM   #50
rayleon1
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Quote:
Originally Posted by Tallerman
The gurus on Thumpertalk recommend using the front end off an XR600 (much more robust and taller forks) and installing emulators. That will match the front end to the XR rear shock. The other possibility is putting modern USD forks on the XL--but that's much more expensive and doesn't offer much improvement (experts say--I don't know).

I bought the forks and triple tree from an '86 XR600 on eBay shipped for $70. I will need to replace the trashed fork seals and then install the emulators. A nice winter project.

Another option is to install a post '91 XR front end to take advantage of the cartridge forks Honda went to. (I looked but couldn't afford this option.)

But I want to know where you sourced the XR shock. I am looking but would benefit from your advice.
Hi, thanks for the advice, i got my XR600 shock from the guy i bought the XL from, he's a UK ebay seller.
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Old 10-11-2007, 11:43 AM   #51
Reposado1800
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Quote:
Originally Posted by rayleon1
Hi,

I recently bought an XL600 (1984) and was thinking of doing a few upgrades on it, can you recommend any? I have the rear shock from an XR600 to go on, shall i do something with the front suspension?

Cheers
Ray.
XL600's are very simple to set up to do what you want. Agressive knobbies and low gearing make it work really well off road. A street tread with stock 15:43 gears work very well on the road. Some add a small windshield.
I like the stock squishy suspension though and I have added progressive suspension springs up front. The shock is on rebound setting #1.
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Old 10-12-2007, 09:09 AM   #52
MotoChris521
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I have a set of forks('85 XL600) with new seals,if any body want's them.I'm in So Cal.
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Old 03-14-2009, 05:15 AM   #53
kobra011
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Here is my 1985 XL600R
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Old 03-14-2009, 05:17 AM   #54
kobra011
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Old 03-14-2009, 11:21 PM   #55
Big_John
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Within the past three months, we have become the owners of two XL600's. We love these bikes. They are both in splendid condition.

Here is our 1983 that belongs to my 18 year old son....



And here is our 1985 that belongs to my 17 year old son....
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Old 03-15-2009, 08:10 AM   #56
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Quote:
Originally Posted by Flood
Big singles have the problem that with huge intake diameters, you will either have weak low-down response or not enough top-end power. A single carb might produce good power at full throttle, when gas velocity is high, but may stall at low rpms when you whack the throttle open. To overcome this, Honda designed the RFVC engine with radial valves, a centered spark plug and two carbs, opening one after another. The same concept was used on the early XRs and on Yamaha's XT600 (with a joined floatbowl, IIRC). Gilera's big single (Nordwest/Northcape) had the same system.

In short, it didn't really work. Comparing the RFVC-XL600 with the earlier XL500, the older had far more low-end power and there wasn't a lot of difference at full throttle.

Another solution is the use of pumper carbs, who squirt a small amount of fuel directly into the intake to avoid a lean mixture when the throttle is suddenly pulled open (basically, the inertia of fuel is higher than that of air, so opening the throttle fast will result in the fuel coming a bit "late"). Hope this is somehow understandable.
it didnt really work? wrong.. all the dual carbed bikes when tuned correctly will nearly run circles arround similar displacement single carb bikes. thats been my experience with them and Ive had several. if you try to match a huge carb to a certain displacement to get max power then you have a machine that wont idle and not smooth at low to mid revs, with the dual arrangement you can have cake and eat it too! what would otherwise be way overkill is now tamed and ridability doesnt suffer. Ive got a 250R thats a perfect example, lots of mods including 350 carbs. with stock gearing the 100mph mark is not out of reach, havnt been able to get there on any other 250s Ive had. and the induction roar the dual-carbed thumpers make is awsome too.
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Old 03-15-2009, 11:40 AM   #57
brucifer
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^^ +1! And I might add having owned two '82 XR500s and one '79 XR500 as well as ridden '79-'82 XL500s, the dual-carb XL600 has more power everywhere including low RPM torque. It will out run ANY of those bikes.
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Old 03-15-2009, 09:12 PM   #58
TDBiker
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I am looking for an original frame rack for the xl600r. if you can help me or know a website where they sell them it would help.

Thanks,
TDbiker
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Old 03-16-2009, 06:50 AM   #59
sw3dl1
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Over the last year I've aquired three XL600r's. I bought an '86 to rebuild, it has 10K on the speedo, it came with an '85 parts bike. I then found an '87 that had some minor front end damage and picked it up as well, it only has 4K on the clock. My plan is to rebuild the '86, I like the gold anodized wheels and swing arm, then move on to the '87. Amazingly, they all run well.
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Old 03-16-2009, 03:17 PM   #60
lvdukerider
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I had a 1986 XL600R red white and blue with the gold rims, forks and swingarm with the bright red motor. I loved that bike, way more power than the 1993 XR650L I had years later, Rejetted and with a Supertrapp it would wheelie through the first 3 gears. The suspention wasent the best but for its day it was a hell of a good bike, with a rear disk and better suspention it would still be a great bike today I still miss it.
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