Added reply in a thread 1978 rm250C2 restoration 2/17/2019 5:45 AM

I understand. If something changes,,,I PMed you my phone and email. Bringing old bikes back to life for my own collection is my passion.

Added reply in a thread Mikuni TMX 38 - Needle Jet 2/16/2019 6:28 PM

Its pushed up out. I made mistake of trying to drive mine down and flaired the hood that sticks up.

Added reply in a thread 1978 rm250C2 restoration 2/16/2019 6:12 PM

tomm55x , Did you ever put your 78 back together?

Added reply in a thread Air compressor for soda blaster 2/14/2019 7:03 AM

I blasted a couple frames last week with a harbor freight pressure blaster.I tried sand, crushed glass.My compressor makes 17.5 cfm at 90,,,it's a american made Emglo/Jenny,,,80 gl tank. It ran nearly continuous and took about 1.5 hours each frame. I ... more »

Added reply in a thread best engine mods for 2018 TC125? 2/12/2019 3:14 PM

Yes AJ565 I have a 17 TC250 as well as the 18 TC125. I checked the 250 compression today and it is 192psi cold ,here at 200 ft,,,and with a Lisle compression gauge. My 250 has 12.5 hrs,,,and not been apart. I was surprised at the high number! Let me ... more »

Added reply in a thread best engine mods for 2018 TC125? 2/11/2019 6:29 AM

I do not have a lectron,,,but the adaption should work. The fuel is drawn from a nipple in bottom rear corner of bowl, up through line to the jet. The jet needs to be 10 oclock-2 oclock positioned. The lectron already is adjustable so this maybe overkill. ... more »

Added reply in a thread best engine mods for 2018 TC125? 2/9/2019 6:06 AM

I understand. This maybe the first 125 insert he done. I told it was for 110 race gas. Tore it down to give him exact deck height of piston. There isn't alot of jets over 500...my bike came with 500,520,540. Rather than order ones I'm missing I thought ... more »

Added reply in a thread best engine mods for 2018 TC125? 2/8/2019 6:33 PM

Updates to my 2018 TC125. I got a new head insert from RK Tek. It's for race gas,,and boosted cranking compression stock from 153 up to 185lbs. I also picked up a used Buds HGS pipe and shorty style Buds silencer. A few blasts around the back yard and

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Added reply in a thread KX420 Upgrade 1/28/2019 11:54 AM

From the article,,,I'd look for a spacer plate under the cylinder,, and welding 2-3" down the pipe like in picture for clue

Added reply in a thread KX420 Upgrade 1/28/2019 11:46 AM

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Added reply in a thread 250cc Maico Mikuni carb 1/26/2019 9:19 AM

I use a YZ465 38 on my 1980 Maico 440. After getting the intake hose/boot, it worked with minimal jetting fuss.

Added reply in a thread 2019 SX125 or TC125 flapper valve pics please? 1/12/2019 2:55 PM

The change lists it as 'machined' and I saw it had different part number than 18,so my curiosity to see one

Added reply in a thread 1981 KTM 495 1/10/2019 6:48 AM

Cool bike. I remember dirty harrys too. I use to live in Butler and collected bikes around the western pa area. Only saw a KTM495 once about 20 years back when I visited a house to give remodeling estimate. Any chance you live East or north east of Pittsburgh? ... more »

Added reply in a thread AER Fork Assistance 1/6/2019 11:07 AM

I lose approx 8psi when installing my wp aer pump. This is with me running 120-135s pressures . That is the amount of air that it takes to fill the 8" line and gauge and neutralize. Running higher pressures it would be a greater loss to fill and neutralize ... more »

Started new thread 2019 SX125 or TC125 flapper valve pics please? 1/1/2019 9:46 AM

Looking at parts fiche and only the flapper valve changed 2018-2019. Anyone share pictures of the 19s flapper? Thanks!

This forum thread has 3 replies

Added reply in a thread Air cooled kx500's worth messing with? 12/29/2018 10:47 AM

I like taking a bike no one would think of,, like a rm125 in the open class stacked with Yamaha 465/CR480s/Can Am 400/Maico,,,and kicking there butts....makes all the haters that think I'm wrong for riding it ticked off. Here's me on a 125 doing exactly

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Added reply in a thread Poor Crankshaft Service 12/29/2018 10:30 AM

I myself believe the closer the crank is to the cases,,,the higher the cranking compression ratio will be and more power from it. Why does the factory stuff the crank with plastic inserts? to raise cranking compression.

Added reply in a thread Air cooled kx500's worth messing with? 12/28/2018 1:37 PM

Stop the hate! LOL Remember..When you see that short plain girl wearing simple cloths....She's someones sweetheart !....When you see that HOT long legged chick with flashy tight spandex and 3 hours of makeup...Some other guy out there is sick of her ... more »

Added reply in a thread Poor Crankshaft Service 12/27/2018 7:44 AM

I will add,,,, there is a thing of tolerance stack up...I carefully check the rod and washers in the rod kit against the original...I have seen aftermarket kits where the rod or washers or both are different than stock,,a .0001 on this,,.002 on than,,.005 ... more »

Added reply in a thread Air cooled kx500's worth messing with? 12/27/2018 7:27 AM

That's why there are berms and brakes...... brake slide and put it in a berm or rut. I was amazed when I saw Gary Lyle show up at our VMX race about 5 years ago,,,riding a KX420. Those where known for changing directions like a barge....He was FAST....he ... more »