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Striker1423's GT750 and RD250






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Messages - paul1478

#1
Show Off / Re: My GT750M Finished
July 08, 2025, 09:07:36 AM
Like many others, I have followed you progress and setbacks. I personally would not have made it to the end. Well done, have a great time riding this, looks like a lot of fun.
#2
Turning Wrenches / Re: Wheel building information
June 27, 2025, 09:12:27 AM
Strange this was just brought back up again. I just asked Andrew about what he used. This is great info and what I was going to ask. I was able to get a rear 400 spoked hub from Germany (thank you Uwe). I have a 350 hub. Just need to decide rim width and tire size.
danketchpel, I looked long and hard at that hub, I even contacted them. They make to order so it would be exactly like a stock spoked hub.
#3
Thank you Mark for all your help and advice.
Once I found the save option on the controller and got into my head they call it a timing curve not a timing plot I was in business.
I still had a issue around 8300 with some breaking up.
I switched to resistor caps at the gap as the directions suggest. I was thinking this was part of my original problem so stopped by Wheelers and get some non resistor no name brands caps. Made no difference. To try and fix the breakup, I thought maybe the resistor plugs caps can help.
When I pulled the non resistor caps off the plugs one side the metal part that connected to the plug stayed on the plug. The other side just fell off the wire.
with the correctly installed resistor caps it now runs better that it has in years.
#4
I think I figured it out.
I watched the timing on the handheld while running.
It was set to start to pull timing at 3500.
I set a new curve and watching the handheld it is what I was shooting for.
I will still use timing light to verify once the dial gauge arrives.

Test ride pending.
#5
Thank you Mark. I ordered it yesterday and when I got home, it was at my door.
I did try and re-program it and think it saved but I really cannot tell. It is the part after finishing the program that I am confused.
I will verify timing, mark rotor, get a pointer together and check.
thanks for all the help so far...
#6
Any suggestions on a timing light that woks on 2 strokes? I don't want to spend a ton of cash and hope to only use it 1 time.
thanks
Paul
#7
Thanks Mark. I will try this again when I get home. That is what I was trying to do but very well could be I messed it up.
#8
so thinking about this, my offset would 0.
am I correct? if yes, how would I program this in?
#9
sorry, 1.9. what it was set at when installed by Chuck.
#10
The rotor never moved from what it was installed 3 years ago (9mm BTC)
It was checked via dial indicator and light to verify before installing the box. After the programing, checked with light and when revved it went to the retard position. 
It always ran fine. I never noticed the ping Mark was hearing. I only wanted to retard the timing a little to avoid the ping and stop (help stop) seizure. We left the base static timing the way it was (right about 9mm).

Being the rotor was never moved I assumed it was something to do with the resistors that were added or the unit. Again, it ran perfect before and the only thing changed was adding the box.

Yes, I tried to do a no curve curve and no change.
#11
Hello,
long story, hoping someone has some insight on this.
Last year at the gap meet, Mark ride my bike and said he was hearing a ping at 8500 rpm and I need to be careful. He also suggested I get a Zeeltronic to back timing off after 8K.
Well I did not get one and seized it about 4 weeks before this years meet. Just had to hone it and add new pistons. I did order a Zeeltronic from EC and took it up with me to the gap. Chuck said he can install it for me.
We did just that and did not change timing. It was set at 21 degrees before. After installing it per the instructions we added a very simple program to do nothing from 100-7500 and then back off 5 degrees at 7500-8500 and then 5 more from 8500-10500. rev limiter set at 10500.
now, under load it struggles to get back 6200 rpm. after that it rips but seems to break up around 9500-10000.
We tried to re-program a few times no difference.
The instructions said to use resistor plugs and plug caps and we did. I swapped the resistors out of non-resistor, no change.
The instructions tells you to add a supplied resistor between the yellow and white wires coming off the pickup.
I am wondering if this may be part of the problem and was going to remove it next.
I reached out to the manufacture and they were super nice but not helpful.
Any suggestions are welcome, worst care, I uninstall this and back the timing off a little.
Thanks
Paul
#12
My wife also watches that show. I like it but did not notice that bike. Good eye!
#13
I am looking forward to another week with no phone or work.
Top end back on after a little issue. I ordered a zeeltronics, it is in Chucks hands. We are going to attempt to install it during the week.
Pipes nice and shinny. I found I need brake pads, ordered and arrived.
weather forecast looks good but, we all know how that works.
#14
General Chatter / Re: Cleaning non painted pipes
April 02, 2025, 06:23:43 AM
Quote from: DesmoDrew on April 01, 2025, 08:46:31 PMBlue ScotchBrite pad and Barkeepers Friend
I never thought of that. I use it for my stainless steel pots and pans, but for some reason, I didn't think about using it for the pipe so I'm gonna give it a try thank you.
#15
General Chatter / Cleaning non painted pipes
March 27, 2025, 11:54:20 AM
Hello,
Spring cleaning my RD, getting ready for the gap. I normally take my pipes off 1-2 times a year and use 200-300 grit sandpaper and WD40 and clean them.
I was wondering what others do? Scotch bright? Same, sand?

thanks
Paul