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General Discussions & Announcements General Announcements, General Questions, e.g. What bike do I buy?, etc.


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  #1471  
Old 02-28-2020, 01:55 AM
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Anders Anders is offline
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After last night's training session, I noticed that the hour counter had passed 250 hours, showing 250.3.

My 2015 EC200 has been with me since October 2015 and has served me well. This means that I have used it for approx 60 hours a year, somewhat less than I had hoped.


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Anders

"So you know, that you're over the hill when your mind makes a promise that your body can't fill" (Little Feat: Old Folks Boogie)

2015 EC200 Racing: TE bars, Rekluse Core Exp 3.0, 38mm Lectron & Ohlins S3 steering damper
2006 EC200: 2011 plastics, Rekluse Z-Start, revalved KYB forks & Scotts steering damper
1998 Bimota Supermono
1986 Duc Mille S2
1975 Guzzi sidecar hack
1961 Morini Corsaro 125
etc
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  #1472  
Old 03-01-2020, 12:12 AM
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Well apart from my new rear bracket for the chain guard posted elsewhere, we did this today


Ahh crap cant seem to load it today. Scenery was stunning. Hot as needed lots of sunscreen.
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'07 EC300 GG
'14 TXT250 GG
'? 496 CPI Cheetah RZ/RGV hybrid
'22 765 Street Triple RS
'21 XTrainer
'69 Stinger T125 Suzuki
'23 TRS 250RR (it's a Trials thing)
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  #1473  
Old 03-01-2020, 01:30 AM
motopsycho87 motopsycho87 is offline
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Last night's jobs were;

Fit 5.7N/mm rear spring and set sag
Fit new S3 power valve assembly
Fit new FMF gnarly front pipe
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File Type: jpg 20200301_072723.jpg (134.1 KB, 35 views)
File Type: jpg 20200301_010836.jpg (127.8 KB, 26 views)
File Type: jpg 20200301_005949.jpg (132.4 KB, 24 views)
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2006 EC300 Enduro - Ignitech CDI - 38/NECW#2/165 FMF gnarly, FMF shorty, .50 front 5.7 rear

2016 RM-Z450
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  #1474  
Old 03-07-2020, 08:40 AM
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Anders Anders is offline
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I replaced the left radiator, as it suddenly started leaking. Luckily, I had a pair of secondhand ones laying around.

Tomorrow is race day, the first round of the Norwegian Enduro Cup.
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Anders

"So you know, that you're over the hill when your mind makes a promise that your body can't fill" (Little Feat: Old Folks Boogie)

2015 EC200 Racing: TE bars, Rekluse Core Exp 3.0, 38mm Lectron & Ohlins S3 steering damper
2006 EC200: 2011 plastics, Rekluse Z-Start, revalved KYB forks & Scotts steering damper
1998 Bimota Supermono
1986 Duc Mille S2
1975 Guzzi sidecar hack
1961 Morini Corsaro 125
etc
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  #1475  
Old 04-06-2020, 12:48 AM
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Anders Anders is offline
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Put on the summer tires. After a total stop in all types of sports since March 13, we are now allowed to do some riding again. Very limited, though. Maximum 5 persons at the track, and always keeping a distanse of at least 2m between us.
I will be in a group of 5 today, my first ride in a month.

Sent fra min YAL-L21 via Tapatalk
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Anders

"So you know, that you're over the hill when your mind makes a promise that your body can't fill" (Little Feat: Old Folks Boogie)

2015 EC200 Racing: TE bars, Rekluse Core Exp 3.0, 38mm Lectron & Ohlins S3 steering damper
2006 EC200: 2011 plastics, Rekluse Z-Start, revalved KYB forks & Scotts steering damper
1998 Bimota Supermono
1986 Duc Mille S2
1975 Guzzi sidecar hack
1961 Morini Corsaro 125
etc
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  #1476  
Old 04-06-2020, 11:26 AM
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blitz11 blitz11 is offline
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Not my GasGas, but a GasGas project.

A poster here had problems with the CDI box on his 2000 TXT 280.

Knowing a bit about this stuff, i wasn curious whether another option was available.

I ordered a CDI from a Honda CRF 50. Search AC CDI Box Unit 6-Pin For Honda XR CRF 50 70 80 100 Z 50 CRF50 CRF70 CRF100 Z50 on ebay.

Anyway, i was able to make it work. Checked its advance map, and it seems REALLY close to EC300 timing advance map.

I tested it on my lathe, but i haven't put it in the bike yet. That's for another day. However, it sparks and the timing light shows that it advances like the stock unit (probably within less than one degree), it should work fine.

If you're interested or having CDI issues, let me know, and I can work you though this.
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  #1477  
Old 04-06-2020, 02:45 PM
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You say advances, but presumably it should them retard significantly back to say 15degrees at peak power as most competition 2 strokes seem to need to survive?
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'07 EC300 GG
'14 TXT250 GG
'? 496 CPI Cheetah RZ/RGV hybrid
'22 765 Street Triple RS
'21 XTrainer
'69 Stinger T125 Suzuki
'23 TRS 250RR (it's a Trials thing)
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  #1478  
Old 04-06-2020, 03:59 PM
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blitz11 blitz11 is offline
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Good point. Thanks for bringing that up. Brain schism. About 10 years ago, i built an ignition using and arduino mini to map ignition timing. That approach could be done here pretty easily with an arduino intercepting and modifying timing, and letting the CDI box provide the spark. (I still have my notes from that exercise). I had forgotten about the timing advance reduction at high speed.D'oh!

I didn't spin it up too fast (maybe 5 k) and the two data points i had (small speed/high speed) were about the same.

OR, instead of the arduino, the easier thing to do would be to buy a PW80 CDI (https://www.ebay.com/itm/IGNITION-CO...oAAOSwAtlcqx4s), figure its wiring, and then run it to check its spark advance curve (all the way to higher speeds). For $16, i could do that experiment, too. Maybe that will be this weekend's project.

Thanks for bringing me back to reality. it might be worth $20 to have a spare/good CDI to check if you have ignition issues.
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  #1479  
Old 04-06-2020, 04:38 PM
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blitz11 blitz11 is offline
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Okey Dokey,

Next weekend -here we go.

I found a two-stroke CDI for $13. I am going to give that a run.

Thanks again for pointing that out. You can see the advance curve on the face plate.

Boy, idle hands with the social distancing - gotta' have something to do!
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  #1480  
Old 04-07-2020, 12:44 AM
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Kewl. I've ridden a TZR50, actually both models which were imports, we never got them new. One had an aftermarket cdi. Maybe the same.

Hunt for CR250 ignition curve which is likely a safe reference and likely to be found. Actually I can probably fire up the garage laptop, heck I'd best charge it anyway.

I bought several Ignitech programmable DC CDIs for various mates a a group buy but they came as CR250 kits with a ignition curve and wiring diagram, but of course could be configured to anything with 12v supply and 1 or 2 cylinders.

They went mainly on single roadrace bikes as well as my big block RZ350/500. I did consider whether they could be used on the GG, the question to whether the lighting coils would produce enough power when kickstarting. On the racebikes you (have to) run then with a big capacitor and a Chinese rectifier regulator. 2 steps dump the clutch in 2nd and they fire up.
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'07 EC300 GG
'14 TXT250 GG
'? 496 CPI Cheetah RZ/RGV hybrid
'22 765 Street Triple RS
'21 XTrainer
'69 Stinger T125 Suzuki
'23 TRS 250RR (it's a Trials thing)
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