2 STROKE WORLD .net

The 2-Stroke Garage => Turning Wrenches => Topic started by: RDnuTZ on July 20, 2024, 08:07:24 PM

Title: After market cranks- opinions and experiences
Post by: RDnuTZ on July 20, 2024, 08:07:24 PM
I'm going to be bringing home all my long stored RDs in the near future and 3 project bikes need cranks and 2 spare motors I might build up as well. I'm in a virtual machine shop desert here in rural SW Colorado- unless you're talking Stock cars. Most direct way to get this moving is purchase aftermarket for at least the 1st 1 or 2 builds unless I install a good used crank I carefully saved- but not sure how good labyrinth seal may be there?

Has anyone tried these?

https://www.ebay.com/itm/364763626092

I've bought many parts from this seller for my MX & YZ vintage bikes over the years and was happy with parts I got. Of course, there's also Vito's but more expensive. Couple years back there was a company in Taiwan selling new manufactured cranks on Ebay at reasonable cost with many good reviews but don't know what happened to them.

I don't have endless budget for this stuff and multiple motors to fix so looking for best bang for my buck here initially. Any thoughts or direct experience to share here? Sorry if there's already a thread on this but haven't fully explored the site being a recent member easing back into the street bike world after decades of VMX.

TIA!
Title: Re: After market cranks- opinions and experiences
Post by: dgorms on July 20, 2024, 08:46:09 PM
I put a Vito's in my last RZ build. My motor guy said it checked out fine, and unless I was going racing (which I'm not) it should work just fine. I wanted to build the crank with all Yamaha stuff but it would have been twice as much!
Title: Re: After market cranks- opinions and experiences
Post by: m in sc on July 20, 2024, 09:28:15 PM
have on in the lc, checked out to near perfect runout. have another version in the lightweight, been going strong for 5? years.
Title: Re: After market cranks- opinions and experiences
Post by: RDnuTZ on July 20, 2024, 10:05:15 PM
mark, you have Vitos or the other 1 sold by HPR seller on eBay I linked above?
Title: Re: After market cranks- opinions and experiences
Post by: m in sc on July 21, 2024, 06:59:59 AM
one of each but i swear they come out of the same factory, or at least have the same main components used.
Title: Re: After market cranks- opinions and experiences
Post by: kpke on July 21, 2024, 08:14:20 AM
I have 2 Vitos cranks in RZ350's. One only has about 200 miles but the other one about 2000. They both have performed as they should.
Title: Re: After market cranks- opinions and experiences
Post by: RDnuTZ on July 21, 2024, 10:56:22 AM
Thanks Guys. Your expert inputs are very much appreciated  :thumbs:
Title: Re: After market cranks- opinions and experiences
Post by: Jung on July 24, 2024, 02:44:26 PM
I got an HPR one and it tested nearly perfect for run out, impressive. Not used it yet but can't see it being an issue. They're not welded, if you prefer that. 
Title: Re: After market cranks- opinions and experiences
Post by: sav0r (CL MotoTech) on July 24, 2024, 04:23:10 PM
My vito's is still going strong in my 350. My plan is to have the stock crank done and replace the vito's when it's time to do a top end. Then I will check the vito's and either put it on the shelf or have it rebuilt.
Title: Re: After market cranks- opinions and experiences
Post by: Striker1423 on July 24, 2024, 09:43:44 PM
I had my Vito's crank rebuilt by Ed Toomey at 2500 miles after two top end failures. But, Ed told me the rods that came on it were beefy enough to beat nails into house framing lol.
Title: Re: After market cranks- opinions and experiences
Post by: RDnuTZ on July 26, 2024, 11:27:15 AM
great info to help my decision making. Since there's real world good experience with both cranks here and the HPR is $81.00 cheaper with shipping + taxes included, I'll likely go that way for a couple initial rebuilds of spare motors I can install and run while completely going thru the trashed motors with frame matching VINs later.
Title: Re: After market cranks- opinions and experiences
Post by: SoCal250 on July 26, 2024, 11:48:15 AM
I've got a Vito's crank in my RD350 but I've not been able to really put any miles on it yet because the "professional and experienced" shop that did the engine work for the previous owner really screwed things up. When I get time to go through it thoroughly to correct all their mistakes and get it sorted, I'll be putting some miles on it. Way too many projects currently!