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Search: Posts Made By: Luke
Forum: Pacific Northwet - Where it's green. And wet. Today, 03:01 PM
Replies: 36
Views: 685
Posted By Luke
What, procrastinate? Yes, that works for me. ...

What, procrastinate? Yes, that works for me. :lol3
Forum: Pacific Northwet - Where it's green. And wet. Today, 12:50 PM
Replies: 36
Views: 685
Posted By Luke
Bump. Repeat, 5:30 today @ Thurman Rd...

Bump.


Repeat, 5:30 today @ Thurman Rd gate?
Forum: Pacific Northwet - Where it's green. And wet. 05-18-2015, 05:32 PM
Replies: 36
Views: 685
Posted By Luke
Here?...

Here? (https://www.google.com/maps/place/Forest+Park+Entrance,+Portland,+OR+97229,+United+States/@45.538737,-122.7262915,17z/data=!4m2!3m1!1s0x549509c74fdec21b:0x35bb2238d08b8571)

Sounds good, ...
Forum: Pacific Northwet - Where it's green. And wet. 05-13-2015, 04:18 PM
Replies: 36
Views: 685
Posted By Luke
I probably won't be able to ride for a week or...

I probably won't be able to ride for a week or so, but would really like to join you when I can. I've just been riding paved paths and Black Rock, so anything in between would be great.
Forum: Pacific Northwet - Where it's green. And wet. 05-08-2015, 06:36 PM
Replies: 49
Views: 3,115
Posted By Luke
Those weren't really questions. ...

Those weren't really questions.

Successful, though. Maybe the Craigslist keyword jerks will be next.
Forum: Pacific Northwet - Where it's green. And wet. 05-08-2015, 03:25 PM
Replies: 49
Views: 3,115
Posted By Luke
Not really. Insulting vendors in their vendor...

Not really. Insulting vendors in their vendor thread has always earned a ticket to banned camp.
Forum: Thumpers 05-08-2015, 11:56 AM
Replies: 9,253
Views: 1,971,536
Posted By Luke
That is normal if you use a DC regulator by...

That is normal if you use a DC regulator by itself. You need to add a capacitor or battery to the DC side in order to make it work the way you want it to.
Forum: Some Assembly Required 05-07-2015, 09:12 AM
Replies: 66
Views: 4,257
Posted By Luke
With 2.5V zeners I'd go with lower value...

With 2.5V zeners I'd go with lower value resistors, say 10 ohms.

Before running in too many circles over this, get the caps and measure them to see how much (and what sort) of balancing you...
Forum: Some Assembly Required 05-06-2015, 10:01 PM
Replies: 66
Views: 4,257
Posted By Luke
Zener diodes can work, however you're not quite...

Zener diodes can work, however you're not quite looking at them correctly.

The 30 ohm impedance mentioned in the datasheet is not really relevant to how you want to use them. It's useful for...
Forum: 2 smokers 05-06-2015, 10:48 AM
Replies: 11
Views: 564
Posted By Luke
General advice, not knowing this particular bike:...

General advice, not knowing this particular bike:

Install an in-line spark tester and see if you are actually losing spark when you try to rev it.

Also check the timing- pull the flywheel and...
Forum: Thumpers 05-06-2015, 09:49 AM
Replies: 36
Views: 2,410
Posted By Luke
I'm just a hack, but have welded up a few cases...

I'm just a hack, but have welded up a few cases successfully. For a drain plug repair it'll be much easier if the motor is removed from the frame. Making a bung beforehand and welding it in may be a...
Forum: Some Assembly Required 05-05-2015, 10:02 PM
Replies: 66
Views: 4,257
Posted By Luke
Interesting stuff. Regarding balancing, take...

Interesting stuff.

Regarding balancing, take a look at this app note:
http://www.maxwell.com/images/documents/technote_cell_balancing.pdf

The 350F caps have a leakage current of .3mA, so...
Forum: Racing 05-05-2015, 09:11 PM
Replies: 646
Views: 101,894
Posted By Luke
:clap

:clap
Forum: Pacific Northwet - Where it's green. And wet. 05-01-2015, 08:05 PM
Replies: 5,086
Views: 394,832
Posted By Luke
Ok. I won't be able to do the beach loop as I am...

Ok. I won't be able to do the beach loop as I am plateless.

I have some OHV trails to check off and others to find, if you think that would be compatable.
Forum: Pacific Northwet - Where it's green. And wet. 05-01-2015, 02:05 PM
Replies: 5,086
Views: 394,832
Posted By Luke
Any interest in a TSF dirt ride tomorrow? ...

Any interest in a TSF dirt ride tomorrow?

I'd like to go to Cedar Creek.
Forum: 2 smokers 04-30-2015, 10:38 PM
Replies: 17
Views: 1,216
Posted By Luke
The engine was easy enough - I got it on ebay. I...

The engine was easy enough - I got it on ebay. I was a bit lucky in that the motor was damaged but pretty easy to fix. The motor isn't really in demand the way an LT500r or Honda 250r motor is....
Forum: 2 smokers 04-29-2015, 08:05 PM
Replies: 10
Views: 1,122
Posted By Luke
So what are you doing for a pipe? I think...

So what are you doing for a pipe?

I think you're really going to like how that motor works.
Forum: 2 smokers 04-29-2015, 08:02 PM
Replies: 17
Views: 1,216
Posted By Luke
Issues.... :lol3 Let's see... I was in...

Issues.... :lol3

Let's see... I was in line for sound check on Saturday night -the bikes are all impounded overnight before the race- and put together these facts:
1) It's snowing.
2) The...
Forum: 2 smokers 04-29-2015, 04:15 PM
Replies: 17
Views: 1,216
Posted By Luke
Thanks! The YZ motor has no counterbalancer....

Thanks!

The YZ motor has no counterbalancer. I can't stand the vibes of a two stroke when it gets going. Quad motors all use a counterbalancer because otherwise the machine will fall apart. ...
Forum: The Garage 04-29-2015, 10:21 AM
Replies: 38
Views: 1,798
Posted By Luke
A little dab of valve grinding paste on the...

A little dab of valve grinding paste on the screwdriver tip will help it stop from camming out. Not a huge difference, but it can change a 7/10 success rate to 9/10.

Otherwise, I'll just echo the...
Forum: 2 smokers 04-28-2015, 11:30 PM
Replies: 17
Views: 1,216
Posted By Luke
The China Hat ISDE was last Sunday, and I wanted...

The China Hat ISDE was last Sunday, and I wanted to ride this bike. I only had 20 miles on it from a single trail ride. So I got the jetting about right and swapped the forks and shocks with the...
Forum: 2 smokers 04-28-2015, 10:58 PM
Replies: 17
Views: 1,216
Posted By Luke
Mostly done: ...

Mostly done:

http://drduck.smugmug.com/Motorcycles/WR250/i-WgcZGbC/0/M/IMG_1873-M.jpg


Bolt on mods include the trailtech sidestand and handlebars, a 3 gallon Clarke tank, and skidplate.

...
Forum: 2 smokers 04-28-2015, 10:53 PM
Replies: 17
Views: 1,216
Posted By Luke
The radiators and hose were easily half the work...

The radiators and hose were easily half the work of the project. The way everything lined up the radiators had to have their bottom spigots removed and welded in place in other directions. The...
Forum: 2 smokers 04-28-2015, 10:40 PM
Replies: 17
Views: 1,216
Posted By Luke
Backing up a bit, the motor needed a bit of...

Backing up a bit, the motor needed a bit of material removed to fit the swingarm.

http://drduck.smugmug.com/Motorcycles/WR250/i-Qzn2z2h/0/L/IMG_1890-L.jpg


And all new motor mounts in the...
Forum: 2 smokers 04-28-2015, 10:34 PM
Replies: 17
Views: 1,216
Posted By Luke
The carburetor is from a YZ125. The YZ 250 carb...

The carburetor is from a YZ125. The YZ 250 carb is only 2mm larger, and has some sort of electronic jet on it that I don't care to figure out.

The intake manifold direction is totally wrong, of...
Forum: 2 smokers 04-28-2015, 10:23 PM
Replies: 17
Views: 1,216
Posted By Luke
Next up, the pipe. This pipe was made for the...

Next up, the pipe. This pipe was made for the YZ250 motor, but they're both 250s so it must be tuned right. :lol3


Check that it clears the tire at full compression. It is close. ...
Forum: 2 smokers 04-28-2015, 10:14 PM
Replies: 17
Views: 1,216
Posted By Luke
Step 1: Cut out chunks of the frame to fit the...

Step 1:
Cut out chunks of the frame to fit the motor.
http://lastchancegarage.smugmug.com/Machines/Shop-Stuff/i-gQBsKqH/0/L/IMG_0997-L.jpg

...
Forum: 2 smokers 04-28-2015, 10:08 PM
Replies: 17
Views: 1,216
Posted By Luke
WR250B - a Yamazuki hybrid

Let's just give away the ending:
http://drduck.smugmug.com/Motorcycles/WR250/i-FqbWRsq/2/L/59494841-DSC_2337-L.jpg



A year or so ago I built a Yamaha YZ/Blaster hybrid. It's a great woods...
Forum: 2 smokers 04-28-2015, 08:17 PM
Replies: 58
Views: 6,491
Posted By Luke
Sure, but it was a better bond than their...

Sure, but it was a better bond than their steel-to-steel weld. That's horribly impressive.
Forum: 2 smokers 04-28-2015, 05:29 PM
Replies: 58
Views: 6,491
Posted By Luke
Welding steel to aluminum? "Those who think...

Welding steel to aluminum?

"Those who think something is impossible shouldn't interrupt those that are doing it."

:lol3
Forum: Pacific Northwet - Where it's green. And wet. 04-28-2015, 10:44 AM
Replies: 11,556
Views: 2,339,710
Posted By Luke
Is it wrong that I really want to see pictures of...

Is it wrong that I really want to see pictures of that bike?
Forum: Pacific Northwet - Where it's green. And wet. 04-23-2015, 08:51 PM
Replies: 5
Views: 463
Posted By Luke
I hope you can make it. It'll be a lot easier...

I hope you can make it. It'll be a lot easier to hustle your 650 around China Hat than Timber Mountain. :D
Forum: Thumpers 04-23-2015, 08:07 PM
Replies: 24
Views: 1,338
Posted By Luke
Yes. No. Depends on how quickly you can...

Yes.

No.

Depends on how quickly you can get on the rear brake. :lol3


I've ridden a few bikes with autoclutches and am not interested in getting one, but I think that in a big 4 stroke...
Forum: Pacific Northwet - Where it's green. And wet. 04-23-2015, 09:33 AM
Replies: 5
Views: 463
Posted By Luke
Jake's pictures: ...

Jake's pictures:

http://drduck.smugmug.com/Motorcycles/WR200/i-kfsfG4K/0/L/59412248-IMG_2244-L.jpg


http://drduck.smugmug.com/Motorcycles/WR200/i-nkxNHTD/0/L/59412249-IMG_3460-L.jpg

Third...
Forum: Pacific Northwet - Where it's green. And wet. 04-23-2015, 08:21 AM
Replies: 5
Views: 463
Posted By Luke
I went, raced both days. It was awesome. ...

I went, raced both days. It was awesome. Sunday's turnout was a lot lower than Saturday's, but still a bit better than usual.
...
Forum: Pacific Northwet - Where it's green. And wet. 04-21-2015, 08:33 AM
Replies: 2
Views: 321
Posted By Luke
A VIN inspection is required for bikes with a...

A VIN inspection is required for bikes with a title from out of state. No idea if it's possible to have another state's DMV do that for you. The rest of the paperwork can be done by mail or online.
Forum: Thumpers 04-20-2015, 09:51 PM
Replies: 36
Views: 1,967
Posted By Luke
Just an angle grinder with a cutoff wheel and a...

Just an angle grinder with a cutoff wheel and a hand operated hydraulic pump. A bandsaw would be much nicer than the cutoff wheel - less mess.

Pics, to give a hint at what I was doing:...
Forum: Thumpers 04-20-2015, 05:12 PM
Replies: 36
Views: 1,967
Posted By Luke
Ok. :lurk BTW if you think you can...

Ok. :lurk


BTW if you think you can build a pipe, go for it. I found it much easier than expected.
Forum: 2 smokers 04-20-2015, 09:53 AM
Replies: 43
Views: 2,195
Posted By Luke
Your meter is set about rioght, but could be set...

Your meter is set about rioght, but could be set better. It's set to 200k ohms (k being thousands) and reading 9.2k ohms.
This is way too high, but I'd re-measure it with the range set correctly...
Forum: Pacific Northwet - Where it's green. And wet. 04-16-2015, 10:43 AM
Replies: 21,810
Views: 1,671,839
Posted By Luke
Thanks! I would have made it last week but I was...

Thanks! I would have made it last week but I was busy.
http://drduck.smugmug.com/Motorcycles/RockyMountainRally2015/i-Z7hCkgQ/0/L/IMG_3606-L.jpg
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