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Messages - pdxjim

#1
General Chatter / Re: Cohn Racers Grom-aha 125
February 22, 2026, 03:16:08 PM
Street plated '23 300xcw.

Still need tires and gearing.
#2
General Chatter / Re: Cohn Racers Grom-aha 125
February 18, 2026, 10:18:57 AM
Quote from: RDryan on February 18, 2026, 10:04:35 AMA KTM300 engine,that's cool. I sorta like that better than a banshee engine. Or a CR125 like they did. Only cause I had a lot of ideas about terrorizing my local roads with a hopefully street legal dirt bike supermotoe'd. I know KTM has those grey area titles for the XCW's and those willing to convert to their state street title blah,blah BS. Also those XCW's do have the lighting coil you would need and electric start, also pretty light even as a dirtbike...I think.Now I did also read the newer fuel injected ones kinda suck, but.. with my limited facilities,tools and funds this just seems easier and maybe the best end product of enjoyment, a better balanced machine made for an adult sized person to whip properly around their riding venues.

That Grom is certainly a dream machine. It's funny because with the right stuff I can see what you did and why you did it Mark...with yours. I think this custom one is so over the top and of course I like it but I really like yours better.

As an aside,I hardly ever see a reasonably priced liquid cooled two stroke bike engine for sale at what I consider an affordable price. I do see from time to time folks will sell for example a cr250 engine with the carb and ignition but it's up there at about $3-4k asking price and that to me is pricey. Could be a 500cc or 250cc sometimes it's a KX model or something of the like. I dunno just seems like you gotta have all the right stuff to make a Grom two stroke swap work realistically cheap if that makes sense?   

Sorry to thread drift a bit but a fella's gotta dream.Just living in two smoker envy.Consider it my today's contribution to forum scuttle butt. :whistle:

I have a street legal (fuel-injected)'23 300xcw TPI. I just got a set of supermoto wheels for it, too.

It does not suck.
#3
Turning Wrenches / Re: Most used gear oil and 2stroke oil
February 13, 2026, 08:33:16 PM
Quote from: JKV45 on February 13, 2026, 04:09:12 PM
Quote from: m in sc on February 13, 2026, 04:04:01 PMvery true.. but only really'flat tappet' cams issue mostly. really not a big issue on the Japanese stuff, tbh.  at least ive never ever seen an issue on a dohc shim and bucket setup.ive seen a few v8 cams get wiped out tho. :huh:

As I understand it, you want the higher levels of ZDDP on any non-roller cam valvetrain.

Yup. I use high ZDDP Valvoline VR-1 in my Porsche, although Rotella has adequate levels of zinc too.
#4
Show Off / Re: Pipe dream (sorry)
February 12, 2026, 06:41:54 PM
Quote from: 85RZwade on February 12, 2026, 06:02:03 PMI like rare, especially where motorcycles and steaks are concerned. If they do turn out to be RZ pipes, I'll have to do a butt-dyno comparison of Allspeeds, Toomeys, DG and Lomas. Otter be fun. 🦦

I think general concesnsus is they were cheap, lightweight and loud.

My money's on the Toomey's.

#5
Turning Wrenches / Re: Most used gear oil and 2stroke oil
February 12, 2026, 06:37:46 PM
Motul 710 or BRP XPS 2T in the injector tank
Shell Rotella T4, T5 or T6 in the gearbox

I used to use T4 for everything, but now I have more modern bikes and mostly use T6.
#6
Show Off / Re: Pipe dream (sorry)
February 12, 2026, 05:33:12 PM
Those are the "large can" version.

They came in an xtra loud "small can" version too.

Made in England and quite rare here.
#7
General Chatter / Re: back from a 430 mile ride
January 21, 2026, 01:57:17 PM
Great job out there.

I have a feeling most guys on this forum wouldn't ride their 2T bikes this kind of distance.

In my younger days (like 15-20yrs ago), I rode my TZR/TDR on 1000mi long weekends out to eastern Oregon every year.  I never found it too physically uncomfortable, but filling gas every opportunity possible, and worrying about a seizure all day (etc) was really mentally fatiguing.

#8
General Chatter / Re: Ed Erlenbach
January 09, 2026, 10:31:24 PM
A few years ago, I worked with EE on my RD350LC. Great guy, and few know more about Yamaha twins than Ed.
#9
General Chatter / Re: Hydroforming a Pipe
December 30, 2025, 10:33:58 PM
Haha, just watched the vid and there's a pic of my TDR in there!
#10
General Chatter / Re: Hydroforming a Pipe
December 30, 2025, 10:22:28 PM
That's Martin Johnson.

He made the pipes on my TDR, and is one of the nicest, most helpful fellas you'll ever meet.

#11
General Chatter / Re: Spitfire exhaust Indonesia
December 11, 2025, 10:25:58 AM
My buddy Josh just received a set of Indo pipes. Not this same brand, tho.

So far he seems pretty stoked on 'em.
#12
General Chatter / Best motorcycle lift?
December 08, 2025, 06:44:56 PM
Hey dudes.

I'm outfitting my new garage/shop, and shopping hydraulic or pneumatic motorcycle lifts.

I bought a Aplus four-post car lift, and it looks like they make a good motorcycle lift, but it's probably way better than I need.

Anyone got an opinion about motorcycle lifts?
#13
General Chatter / Re: dgorms needs dlove
November 25, 2025, 08:17:17 PM
Hang in there Wade.

Hopefully Dennis had a solid will and trust. After losing my Dad in '23 I really found out how important it is.
#14
General Chatter / Re: dgorms needs dlove
November 04, 2025, 11:33:09 PM
Damn. 

Sending positive vibes from Portland.
#15
General Chatter / Re: What's your daily rider?
October 21, 2025, 09:07:41 PM
2024 Triumph Street Triple RS