1994 Yamaha YZF750R - Vandal

Sonreir

Oregon
DTT SUPPORTER
I'm still a little worried that it was more than fuel overflow. I'd really not like to have an oil leak somewhere. We'll see...
 

Sonreir

Oregon
DTT SUPPORTER
Time to start looking at this body work.

First thing I see is that the fiberglass tail section is slightly narrower in the rear than the original plastics. The original tail light is going to be too wide to mount. There goes my hopes of a more-or-less stock look. As with most engineering exercises, it looks like some compromises are on the table.
 

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Sonreir

Oregon
DTT SUPPORTER
A new tail light is on the way from Amazon. I've removed the dual bulb setup and trailer module thing. Wiring is cleaned up and brake light modulator installed. The removal of the subframe also necessitated a new exhaust bracket (I cut up an old brake stay from a CB360) and a mounting method for the rear "fender". I drilled through from the old seat latch and bolted the plastic to the frame with a bit of extra sheet metal to act like a giant washer.
 

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I had a YZF750 from 1996 to 2000 (replaced it with an R1) they are a superb bike, fast and very good handling, they do use about a litre of oil every 1000 miles though.

Sent from my SM-T560 using Tapatalk
 

teazer

Well-Known Member
DTT BOTM WINNER
That seat issue is similar to FZR400 race bikes which all have the rear subframe surgically shortened to fit inside a race tail. Our FZR wasn't raced AFAIK but some PO had chopped the back end off so I had to construct a new subframe to support the tail lamp properly.

BTW, does that bike have a small cylindrical fuel pump? The 400 fizzer does and the point erode and the electrical components corrode from moisture in the breather duct. I had to replace the same pump on my late brother's Honda Hawk V twin and the spare for an FZR1000 I had lying around also turned out to have rusty and pitted points.
 
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canyoncarver

'hacking is learning'
DTT BOTM WINNER
That seat issue is similar to FZR400 race bikes which all have the rear subframe surgically shortened to fit inside a race tail. Our FZR wasn't raced AFAIK but some PO had chopped the back end off so I had to construct a new subframe to support the tail lamp properly.

BTW, does that bike have a small cylindrical fuel pump? The 400 fizzer does and the point erode and the electrical components corrode from moisture in the breather duct. I had to replace the same pump on my late brother's Honda Hawk V twin and the spare for an FZR1000 I had lying around also turned out to have rusty and pitted points.
It has an in-tank mounted fuel pump.
 

teazer

Well-Known Member
DTT BOTM WINNER
In tank and Carbs? That's interesting. I'm used to in tank for EFI and external for carbs.
 

Sonreir

Oregon
DTT SUPPORTER
Unfortunately, it looks like we have some fitment issues here as well.

I'm assuming that this fairing was designed for race use, as the front mount is still several inches away from the fairing but the top is run up against the gauges.

Also, not pictured, is the locations for the frame sliders are now blocked.

Additionally, the headlight assembly mounts to the fairing (not the frame) and there are no cutouts for the bolt holes (which may need to be recessed).

Looks like I might need to consider some different options before I end up going too far down this rabbit hole.
 

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Sonreir

Oregon
DTT SUPPORTER
Toying with the idea of keeping the fairing intact, but running some lights down low for visibility and turn signals. Daytime use only, probably.
 

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canyoncarver

'hacking is learning'
DTT BOTM WINNER
Unfortunately, it looks like we have some fitment issues here as well.

I'm assuming that this fairing was designed for race use, as the front mount is still several inches away from the fairing but the top is run up against the gauges.

Also, not pictured, is the locations for the frame sliders are now blocked.

Additionally, the headlight assembly mounts to the fairing (not the frame) and there are no cutouts for the bolt holes (which may need to be recessed).

Looks like I might need to consider some different options before I end up going too far down this rabbit hole.

I have what looks to be the same front fiberglass fairing. It fit's about right on mine with some wiggling. I'll try to get some pics tomorrow to see if it makes a difference.
 

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