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Downpipes from 3CW

Started by balky1, May 12, 2023, 06:41:09 AM

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balky1

Hi!

One of the downpipes on my FJ 1100 rotted out so I ordered used ones from a 3CW. Those I ordered have no numbers on them, so my question for you 3 CW owners is do yours have the numbers? For example, old ones on 1100 are marked 36Y-1, 2 3, 4.


FJ 1100, 1985, sold
FJR 1300, 2009

Old Rider

If i remeber right the 1200 downpipes does not fit a 1100 but i might be wrong.

FJmonkey

The pipes fit all years, and position (1-2-3-4) is important.
The glass is not half full, it was engineered with a 2X safety factor.

'86 Ambulance - Bent frame, cracked case, due for an overhaul
'89 Stormy Blue - Suits my Dark Side

Pat Conlon

Quote from: balky1 on May 12, 2023, 06:41:09 AM
Hi!

One of the downpipes on my FJ 1100 rotted out so I ordered used ones from a 3CW. Those I ordered have no numbers on them, so my question for you 3 CW owners is do yours have the numbers?


If you ordered used Yamaha oem header pipes they will be numbered 1-2-3-4.....not sure with aftermarket header tubes.
If you are using aftermarket header tubes they are meant to be used with aftermarket collectors.
Note that the single wall stainless (painted) header tubes used on '86-95 FJ's will look different than the double wall black chrome plated header tubes used on the '84/85. I'm not sure I would mix the two different types.
All oem Yamaha FJ header tubes can be used interchangeably.
1) Free Owners Manual download: https://tinyurl.com/fmsz7hk9
2) Don't store your FJ with E10 fuel https://tinyurl.com/3cjrfct5
3) Replace your old stock rubber brake lines.
4) Important items for the '84-87 FJ's:
Safety wire: https://tinyurl.com/99zp8ufh
Fuel line: https://tinyurl.com/bdff9bf3

balky1

I managed to find the numbers in the end, barely visible. In the end the pipes I've bought are 1TX, but that changes nothing. I've put only number 3 on. It is a bit smaller in the outer diameter, but if you don't know what you're looking at, difference is not very obvious.


FJ 1100, 1985, sold
FJR 1300, 2009

aviationfred

All 4 of the pipes will have a 1TX and a corresponding cylinder number. They are located in the same spot on each pipe. A little bit of sand paper may help.


Fred
I'm not the fastest FJ rider, I am 'half-fast', the fastest slow guy....

Current
2008 VFR800 RC46 Vtec
1996 VFR750 RC36/2
1990 FJ1300 (1297cc) Casper
1990 VFR750 RC36/1 Minnie
1989 FJ1200 Lazarus, the Streetfighter Project
1985 VF500F RC31 Interceptor

balky1

Quote from: aviationfred on May 13, 2023, 11:56:41 PM
All 4 of the pipes will have a 1TX and a corresponding cylinder number. They are located in the same spot on each pipe. A little bit of sand paper may help.


Fred

Yep, or a bright sunlight in my case.


FJ 1100, 1985, sold
FJR 1300, 2009