Yamaha Seca II

   Will @ 22:34

This bike started as a 1992 Yamaha Seca II, a well-known 600cc all-arounder. I bought it for about $1100, in decent shape.

BEFORE AFTER

Here’s roughly the order of operations for the redo.  It took a couple of months of late evenings and early weekend mornings before the kids wake up:

  • Complete teardown, everything but pulling the motor apart; got rid of all plastics, fairing, clocks, signals, lights, everything
  • Trim a bunch of excess brackets and such off of the frame with a grinder, chop about 4 inches of useless metal off the tail
  • Sand, paint frame with Herculiner
  • Sand, prime, and paint swingarm with Duplicolor bedliner
  • Fabricate “body panels” out of Home Depot aluminum diamondplate (pretty thick, dunno exact); used a recip saw with a sheet metal blades, a bench grinder for some edges, a vice to do the bends, and a drill of course; primed and painted with Krylon; panels are mounted to the frame with U bolts and pipe clamps
  • Rear fender plastic trimmed up, license plate mounted to underside
  • Tank sanded down completely, primed and painted with Duplicolor; valve reseated; filler cap cleaned up
  • Cleaned up all motor surfaces, replaced all hoses
  • Complete carb clean (not very well probably)
  • Re-wrapped and cleaned up all wiring harnesses; re-routed all wiring near the motor
  • Mounted Aztc8 dual 7 inch lights with provided brackets but using generic clamps on fork tubes (better than the plastic ones provided with the lights)
  • Wired in new headlights, signals, including adjustable LED flasher relay that does fancy blink patterns, and tail (from a trailer)
  • Rebuilt switchgear, lubed up, painted plastic housings
  • CRG hindsight barend mirrors
  • New grips
  • New bar (Yamaha style)
  • Painted all triple clamp pieces, bar mounts, lever bosses, anything not black, with black caliper paint
  • Wired in GPS mount (easy, just a +12 and GND) and Acewell gauge cluster (not hard, just a lot more wiring)
  • Reupholstered seat at a local shop
  • Powdercoated fork lowers, rearsets, and wheels at local shop
  • Rebuilt forks with new oil and bushings, springs were ok
  • Remounted tires and replaced all bearings (incl in hub)
  • Put it all back together, more or less as it was supposed to go

Here’s a slideshow of what it looks like now:

Next-up:

  • Exhaust (probably going to chop the cans in half and then repaint, to give it a bit more noise and a different look (less respectable))
  • Few motor fixups, including gasket replacement and hopefully an end to a few small but persistent oil leaks
  • Probably need to replace the steering head bearings, not the smoothest
  • Still need to do a brake refurb

1 Comment »

  1. I am getting a 92 yamaha SECA 2. and I would LOVE for it to look non traditional. EMAIL ME hipiesotn@hotmail.com PLZ & THX

    Comment by KOA — 09/12/2011 @ 23:46

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