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Yamaha SRX/RD Hybrid

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

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SoCal250

Quote from: BlueR32 on August 20, 2025, 09:09:16 PMWell, it's been a while but in the end I've decided to keep it and finish the job.
Cool! :thumbs:
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)

BlueR32

Body parts are out for painting. Will update when I get them back. Otherwise it's pretty much complete except for a few minor tweaks.

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)

Simmons1

#63
 :clap:

Can't wait to see it complete

JKV45

#64
Looking good! Neat idea for a RD engine.

I got my road racing license on a SRX600, back in the day.

Crazy-bad photo, but you get the idea -

20250412_183045.jpg

Always thought the SRX250 looked like fun - but it was painfully slow.

BlueR32

#65
My friend is doing the paintwork for me had some challenges with the tank. After he stripped the paint to prep it he discovered a large area of "filler" which he removed and found a large number of holes. We were mystified as to what could have caused such carnage. In any case, he came up with a clever solution using old Phillips head screws. He cut them flush and welded around them to seal the holes. He then pressure tested the tank before painting. The last pic is right before he applied clear coat.

RDnuTZ

old school bodywork method of pulling dents was drill small holes and use slide hammer with screw bit end to pull out dents. Typically using heat as you go. The holes also allowed the Bondo to grip better, but I wouldn't want it on my gas tank. Usually, they brazed the holes shut before filler applied. More modern method is to tack on slender rods on outside of tank and use slide hammer pulling on the rods. No holes needed for newer method.
1987 TZR250R Restricted Japan Domestic market bike (Project)
1977 RD400 (Project)
1974 RD350 (2) (Projects)
1973 RD250 (Project)
2022 Beta 300 X-Trainer, Yamaha Vintage MX, YZ (18)

2steve

That tank after paint  :smiley:  :thumbs:

That is one top hybrid project.

85RZwade

Quote from: 2steve on October 17, 2025, 09:54:50 AMThat tank after paint  :smiley:  :thumbs:

That is one top hybrid project.
Absolutely agree!
I post waayyy too much

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)

350GUY

Work of ART! Your painter friend is definitely tops!