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Search: Posts Made By: katumo_jtb
Forum: West California, the desert southwest and whatever is left 12-13-2014, 07:39 PM
Replies: 5,019
Views: 479,723
Posted By katumo_jtb
-1 I've ridden an LC4 to Mexico and Canada. Hi...

-1 I've ridden an LC4 to Mexico and Canada. Hi Paul :1drink
Forum: GS Boxers 09-12-2014, 10:17 PM
Replies: 19
Views: 1,912
Posted By katumo_jtb
update

Reviving this old thread. I finally got an IICE-Air, and that did the trick for me. Previously, I had to crank the CO pot way down to avoid leaning out at mid-throttle, which left me way rich at...
Forum: Thumpers 06-30-2014, 09:37 AM
Replies: 304
Views: 67,441
Posted By katumo_jtb
I used the formula here: ...

I used the formula here:

http://www.wiseco.com/FAQs.aspx

4" bore translates to 0.016" gap on the top ring. I clamped a fine file in a vise and slid the ring against it until the gap was right....
Forum: Thumpers 04-30-2014, 05:36 PM
Replies: 84
Views: 21,865
Posted By katumo_jtb
This is what mine looks like. I hear ya on the...

This is what mine looks like. I hear ya on the electrical problem. My Duke rattled just about every light and indicator on the dash at one time or another.
...
Forum: Thumpers 04-30-2014, 03:42 PM
Replies: 84
Views: 21,865
Posted By katumo_jtb
Duke Tach

I have a tach for a Duke II lying around here somewhere. Not sure if it's the same as a 96?
Forum: GS Boxers 11-20-2013, 02:19 PM
Replies: 6
Views: 484
Posted By katumo_jtb
Thanks for the link, good idea as a general...

Thanks for the link, good idea as a general maintenance item.
Forum: GS Boxers 11-20-2013, 01:10 PM
Replies: 6
Views: 484
Posted By katumo_jtb
Good questions guys, thanks. My bike runs in...

Good questions guys, thanks. My bike runs in open loop mode with the CO2 pot and tan (I think) cat code plug, so no O2 sensor issues. I checked the plug wires at the head and they were both dry,...
Forum: GS Boxers 11-20-2013, 12:37 PM
Replies: 6
Views: 484
Posted By katumo_jtb
Oilhead hesitates/stumbles in the rain

My 95 R1100GS stumbles when riding in heavy rain. I know others have had this issue, I wanted to see what people have done to solve it. It seems like blocking the water from getting in or wrapping...
Forum: West California, the desert southwest and whatever is left 07-02-2013, 06:49 PM
Replies: 5,019
Views: 479,723
Posted By katumo_jtb
We'll be there Thursday night for sure, we might...

We'll be there Thursday night for sure, we might head over to Escondido on Friday.

BTW has anyone taken the back way in to Escondido campground from Nacimiento road? How's the road (graded,...
Forum: GS Boxers 07-02-2013, 01:16 AM
Replies: 19
Views: 1,912
Posted By katumo_jtb
I found the PLX to be everything I needed for...

I found the PLX to be everything I needed for carb tuning. I'm not sure if it has the programmability to do EFI tuning though, as Roger said.
Forum: GS Boxers 07-02-2013, 01:12 AM
Replies: 19
Views: 1,912
Posted By katumo_jtb
When I crack the throttle the mixture definitely...

When I crack the throttle the mixture definitely goes rich. It then comes back to stoich, except at prolonged acceleration under load when it goes lean towards the end. The bike doesn't ping unless...
Forum: West California, the desert southwest and whatever is left 07-01-2013, 11:58 PM
Replies: 5,019
Views: 479,723
Posted By katumo_jtb
It's primitive camping up there, no reservations....

It's primitive camping up there, no reservations. I hope we don't have to fight too hard for a spot but it probably will be crowded.
Forum: West California, the desert southwest and whatever is left 07-01-2013, 11:04 PM
Replies: 5,019
Views: 479,723
Posted By katumo_jtb
I'll be 2-up camping in Big Sur on July 4th,...

I'll be 2-up camping in Big Sur on July 4th, around Prewitt Ridge. If you see a white GS, stop and say hi.
Forum: GS Boxers 06-30-2013, 02:32 AM
Replies: 19
Views: 1,912
Posted By katumo_jtb
My wideband kit is from PLX devices. The sensor...

My wideband kit is from PLX devices. The sensor is a Bosch LSU 4.2. It's a fairly inexpensive kit, but I had good luck tuning with it on my carbureted KTM.

I don't understand why the Motronic...
Forum: GS Boxers 06-29-2013, 02:03 PM
Replies: 19
Views: 1,912
Posted By katumo_jtb
I would not recommend setting the CO pot by feel,...

I would not recommend setting the CO pot by feel, because according to my readings it affects not only the idle but fueling at higher throttle too. I would recommend setting it with a wideband O2...
Forum: GS Boxers 06-29-2013, 01:38 PM
Replies: 19
Views: 1,912
Posted By katumo_jtb
My O2 sensor is in the 2 Bros mid-pipe that...

My O2 sensor is in the 2 Bros mid-pipe that replaced the cat. The bung is at the front of the mid-pipe, so just behind where the header ends. I've felt around and can't find any exhaust leaks. ...
Forum: GS Boxers 06-28-2013, 01:46 PM
Replies: 19
Views: 1,912
Posted By katumo_jtb
Ha, you're right, I don't want to hear that :D ...

Ha, you're right, I don't want to hear that :D

I read Hasenwerk's thread, it was very informative. I'm thinking that because I run in open loop mode all the time, an adjustable fuel pressure...
Forum: GS Boxers 06-25-2013, 10:32 AM
Replies: 19
Views: 1,912
Posted By katumo_jtb
Do you have a power commander, or just the CO...

Do you have a power commander, or just the CO pot? Your AFR curve looks a bit different from mine. You're way rich at idle like me, but you don't lean out on the top end. Any exhaust mods?


...
Forum: GS Boxers 06-24-2013, 11:41 PM
Replies: 19
Views: 1,912
Posted By katumo_jtb
R1100GS tuning question

I have a 95 R1100GS with 2 Bros. exhaust, no cat, no lambda, tan CCP, and CO pot. No internal engine mods. I did a valve adjustment and TB sync at the last oil change. I've read all the threads I...
Forum: Thumpers 06-17-2013, 07:59 PM
Replies: 0
Views: 308
Posted By katumo_jtb
Moto-master bleeder screw size

I switched over to speed bleeders recently. The only issue is I have a Moto-master supermoto race caliper on my KTM. All I know is the bleeder screw is not the same size as the KTM ones.

Anybody...
Forum: Thumpers 05-27-2013, 11:05 AM
Replies: 603
Views: 82,944
Posted By katumo_jtb
The fact that it runs on starting fluid suggests...

The fact that it runs on starting fluid suggests that you have compression and spark, but no fuel. How long has the bike been sitting? If it's been a couple months since it ran, the pilot jet could...
Forum: Thumpers 05-05-2013, 03:15 AM
Replies: 603
Views: 82,944
Posted By katumo_jtb
OK, I misunderstood, I thought you had the timing...

OK, I misunderstood, I thought you had the timing gear off. Since you didn't, there's no way the valve timing could be off. It doesn't matter if things move around with the valve cover off, the cam...
Forum: Thumpers 05-04-2013, 10:02 PM
Replies: 603
Views: 82,944
Posted By katumo_jtb
The timing gear being off wouldn't throw off...

The timing gear being off wouldn't throw off spark timing as the spark happens relative to the crankshaft position, which hasn't changed; the sensor for spark timing is in the stator cover. But it...
Forum: Thumpers 05-04-2013, 04:38 PM
Replies: 603
Views: 82,944
Posted By katumo_jtb
The recent changes were timing gear and valve...

The recent changes were timing gear and valve lash, so it's probably one of those, as you said.

Are you sure you adjusted the valves at TDC on the compression stroke? You can lock the engine at...
Forum: Thumpers 04-08-2013, 01:41 AM
Replies: 26
Views: 3,633
Posted By katumo_jtb
That's great, glad to hear the OBEKR needle seems...

That's great, glad to hear the OBEKR needle seems to be working. Thanks for posting back.
Forum: Some Assembly Required 12-31-2012, 01:13 AM
Replies: 667
Views: 185,178
Posted By katumo_jtb
I guess there's a reason BMW went to a different...

I guess there's a reason BMW went to a different setup on later models. It can be a slight compromise sometimes where you get a cross-over at a certain RPM. However I've never found it to be a...
Forum: Some Assembly Required 12-31-2012, 12:52 AM
Replies: 667
Views: 185,178
Posted By katumo_jtb
Never seen one like that, but if your FCR has the...

Never seen one like that, but if your FCR has the open/close dual-cable setup like mine, you could run a short cable from the "close" side of the first carb to the "open" side of the second one. ...
Forum: Thumpers 12-01-2012, 02:04 PM
Replies: 603
Views: 82,944
Posted By katumo_jtb
OEM fenders from later year KTM's will fit. The...

OEM fenders from later year KTM's will fit. The bolt pattern is the same, you just need to make sure you get a fender with the "nubs" that hold the mask in place. I'm using a fender from an '04 625...
Forum: Thumpers 11-26-2012, 01:14 PM
Replies: 163
Views: 26,847
Posted By katumo_jtb
I don't believe the fender in that picture is...

I don't believe the fender in that picture is actually the one for sale. It looks too narrow for the LC4 sub-frame. I think it's more likely that's the same Acerbis fender mentioned earlier in this...
Forum: Some Assembly Required 11-14-2012, 10:45 AM
Replies: 371
Views: 171,932
Posted By katumo_jtb
That's a good point, the 604 should be a near...

That's a good point, the 604 should be a near bolt-in given how many parts the ATK shared with the KTM. The swingarm and rear frame area looks very similar. However those engines are not easy to...
Forum: Some Assembly Required 11-14-2012, 01:18 AM
Replies: 371
Views: 171,932
Posted By katumo_jtb
Hey Lukas, I hope you're still checking this. ...

Hey Lukas,
I hope you're still checking this. I have an LC4 rolling chassis with no engine. Looking at used engines, the BMW 650 single seems to be much more available than LC4's (so, cheaper),...
Forum: West California, the desert southwest and whatever is left 10-17-2012, 07:23 PM
Replies: 5,019
Views: 479,723
Posted By katumo_jtb
Nice ride. I'm jealous, hope to get back out...

Nice ride. I'm jealous, hope to get back out there soon. :freaky
Forum: Thumpers 10-17-2012, 10:37 AM
Replies: 26
Views: 3,633
Posted By katumo_jtb
I can't speak to the lack of response to the...

I can't speak to the lack of response to the pilot jet/fuel screw changes, but my personal opinion is that the JD needles are just not thick enough at the base an uncorked LC4. I think our problem...
Forum: Thumpers 10-16-2012, 10:05 PM
Replies: 26
Views: 3,633
Posted By katumo_jtb
I'm tuning with a wideband 02 sensor, so I can...

I'm tuning with a wideband 02 sensor, so I can see the results immediately. I'm too rich at 1/8 throttle already, adding squirt there just makes it richer. Delaying the squirt is a compromise for...
Forum: Thumpers 10-16-2012, 08:54 PM
Replies: 26
Views: 3,633
Posted By katumo_jtb
I ended up ordering an OBEKR needle. I measured...

I ended up ordering an OBEKR needle. I measured the JD red needle and it's pretty close to the OBEKR, but the JD needle has less taper and a narrower base. I believe the OBEKR will be leaner off...
Forum: Thumpers 09-10-2012, 10:09 PM
Replies: 603
Views: 82,944
Posted By katumo_jtb
Do you have oil in the frame? The correct amount...

Do you have oil in the frame? The correct amount for bikes with oil in the frame is over 2 quarts. It might be 1.3 in the crankcase and 0.8 in the frame or something like that. Since you mention...
Forum: Day Trippin' 08-25-2012, 12:49 AM
Replies: 16
Views: 2,909
Posted By katumo_jtb
Cool ride Mike. Those are some of my favorite...

Cool ride Mike. Those are some of my favorite roads in California -- Hwy 1, Usal, Briceland, Mattole, 36, 89, and 70. Great idea to put them together in a loop. I'd love to do that ride sometime....
Forum: Thumpers 08-07-2012, 12:10 AM
Replies: 603
Views: 82,944
Posted By katumo_jtb
Sounds like you have been doing your work sorting...

Sounds like you have been doing your work sorting out the overheating. The one thing I'll throw out there is a possible restriction in fuel supply before the carb. I use Motion Pro quick disconnect...
Forum: West California, the desert southwest and whatever is left 08-01-2012, 02:05 AM
Replies: 5,019
Views: 479,723
Posted By katumo_jtb
Aww man, what happened to Eric's KTM? We need...

Aww man, what happened to Eric's KTM? We need more LC4's on this thread.

https://lh4.googleusercontent.com/-rIhQx3vhopg/UBjetTxm9GI/AAAAAAAADtk/mExcSj9oyis/s640/DSCN0031.JPG
Forum: Thumpers 07-30-2012, 02:20 PM
Replies: 603
Views: 82,944
Posted By katumo_jtb
A Mikuni BST, DellOrto PHM, or Keihin FCR carb...

A Mikuni BST, DellOrto PHM, or Keihin FCR carb would do the trick for you. I have a spare BST and DellOrto. However they're jetted for a 620, you'd probably need to re-jet for a 400. The 400 was...
Showing results 1 to 40 of 380

 
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