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Yamaha SRX/RD Hybrid

Started by BlueR32, November 14, 2021, 05:57:13 PM

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NoRiders


Seizer

This is rad!
A friend had an SRX6 back in the day and I was seriously impressed with the chassis. Totally flickable and a definite upgrade over the RD platform. Looking forward to seeing how this turns out!

busa1300

Quote from: BlueR32 on December 23, 2021, 03:29:40 PM
I think this rear sprocket might need replacing. I've never seen one this bad before. There's a lot of red on this bike so I couldn't resist throwing in a pic of the "blue" in the garage :vroom:

Do you get the VJ23 out much and use it?
Did you bring it in, or have someone do that?
Few and far between over here.
RZ350-RZV500R-TZR250RSP 3XV2
RGV250 VJ21 SP/VJ22 SP/VJ23 SP
RS250 for track - KD80 - JR50 for kids
https://youtube.com/@wedgehorsepower9869?feature=shared

BlueR32

#33
Do you get the VJ23 out much and use it?
Did you bring it in, or have someone do that?
Few and far between over here.
[/quote]

Yes indeed! She gets out almost every weekend. Probably one of the most fun bikes I have ever ridden. Also use it for track days. I didn't bring it in. Bought it off a WERA 13x Forum member last year January.
http://forums.13x.com/index.php?threads/1996-suzuki-rgv250-sp.365862/

teazer

It might be an optical illusion, but that chain doesn't look quite straight.  maybe it's just channeling its inner pride month... :whistle:

Try it without the chain on and see if the sprockets are in line.  I often use a 3 foot length of 1/2" rod or angle aluminum.  Hold it tight against the front sprocket and see how it lines up at the wheel.

The other thing is that an RD chain will usually clear the rear tire even if it's a couple of sizes larger than stock. It should just touch a 130 or so tire. My last TZ rubbed on a 130/65 Avon with stock front sprocket and chains aligned and it's basically the same motor.

As mark mentioned, that set up needs to be stronger and welding would be a start.  If not, it will distort and probably fail in use.

Nice project BTW.

BlueR32

Thanks for the great suggestions all! That tire is a 130 and the chain is just touching. Stock SRX rear is 100 so I have some options. I will check the sprocket alignment for sure. Right now its just mocked up with some 12mm plastic spacers which I had lying around but the plan is to get the exact spacer size needed once everything is lined up. The final spacers will be steel and I will get it all welded up as suggested. Don't all hold your breath waiting for the next update as this weekend I am heading to Colorado for 2 months to escape the humidity here in NC. Looking forward to exploring CO on 2 wheels:)

BlueR32

Time for a project update. Slow progress but wiring is sorted, motor runs, foot controls are mostly figured out. Almost at the point of tearing down to do frame cleanup and paint prep.

SoCal250

75 Yamaha RD125B   75 Yamaha RD125B (project)
75 Yamaha RD250B   75 Yamaha RD200B (project)
73 Yamaha RD350     77 Yamaha RD400D   79 Yamaha RD400F  
91 Yamaha TZR250R  89 Yamaha FZR400   05 Yamaha FZ6   
05 Yamaha XT225TC  82 Honda MB5  02 Aprilia RS250 Cup (sold)

85RZwade

Yup, I like it; lookin' like a motorcycle!
I post waayyy too much

DaytonaCafe

Love this! Always liked those crazy SRX but couldn't ever get my hands on one. This will be awesome once complete!

BlueR32

It's been a while since last update and not a lot to report. The project is stripped down and next step will be cleanup and prep for painting. I retired end of June and I'm in CO for the summer so will get back into it in the Fall. Meanwhile I did a trip back to the homeland (Ireland) in April and rode the south west area with my brother and some friends. Remarkably we had no rain the entire week. A highlight of the trip was meeting up with Forum Member @elliotles1 in Glengarriff. Stay tuned!

SoCal250

Quote from: BlueR32 on July 19, 2023, 08:46:34 AMIt's been a while since last update and not a lot to report. The project is stripped down and next step will be cleanup and prep for painting. I retired end of June and I'm in CO for the summer so will get back into it in the Fall. Meanwhile I did a trip back to the homeland (Ireland) in April and rode the south west area with my brother and some friends. Remarkably we had no rain the entire week. A highlight of the trip was meeting up with Forum Member @elliotles1 in Glengarriff. Stay tuned!
Congrats on your retirement :cheers:
The IRL trip sounds like a great time. Beautiful area! And really cool that you were able to meet up with Les.
75 Yamaha RD125B   75 Yamaha RD125B (project)
75 Yamaha RD250B   75 Yamaha RD200B (project)
73 Yamaha RD350     77 Yamaha RD400D   79 Yamaha RD400F  
91 Yamaha TZR250R  89 Yamaha FZR400   05 Yamaha FZ6   
05 Yamaha XT225TC  82 Honda MB5  02 Aprilia RS250 Cup (sold)

85RZwade

There's an SRX a couple of hours from me on marketplace, and I know a guy with a spare engine (or two)...I DO NOT need another project! Oh, dear.
I post waayyy too much

elliottles1

BlueR32

was great to catch up, thanks for calling in. its raining alright now!
i am currently selling two or three bikes to fund the next one. i will keep following yours, good luck with it.
might catch up with the brother for a spin sometime.
cheers
les.


BlueR32

Perfect frame painting day yesterday here in NC! Nice & warm, low humidity and no pollen.