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92 New Top End


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#1 TDrummer

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Posted 08 August 2022 - 07:12 pm

92 TDM now rideable since being parked since 2019.

 

Bored 2nd oversize, new pistons, rings, wristpins

Head decked

New valves, springs, seals, exhaust guides

New coils, rebuilt carbs 

35 miles on break in as of today

Great motor

 

Previously 

 

Cogent Dynamics custom-built shock, adjustable damping, preload

Race Tech fork springs

Renthal bars

Micron 2-1 header into 2006 ZX14 muffler

 

 

 

 

 



#2 dapleb

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Posted 08 August 2022 - 07:23 pm

Noice.
"Whats up", "Piston Broke", "Yeah me too...hic"

If you want to mark your location on the Carpe map: http://www.carpe-tdm...opic.php?t=5117

Doin valve clearances? Use dappers valve shim exchange program and the job will be carroty - Free (other than you postin me yer shims) for sporting members.

Active member of TPLQHCSRSFC and TSRMCMAS (even though a year off) and avid fan of PM not sent.

#3 Pedro

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Posted 08 August 2022 - 08:05 pm

Very very Bueno. Deserves a photo methinks😁

#4 Studley Ramrod

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Posted 09 August 2022 - 05:59 pm

:wifgeni:

 

Good to hear the TDM's are being given another life :)  :good:


Mk2a 2000 in Silver. Top end Refurb @ 41100 miles, Scottoiler, Renthal Road High Bars, Up & Back Bar Risers, Bellypan, DL650 Handguards, Capt. Picard Bar Ends, House of Henty SS Wheel spacers, New Seat Cover Fitted. 58 MPG !!  Now owned by chrisbee !   Studley's mk2a Bloggerydoodaah !  Photos of my first MK1  Photos of my MK2a  TPLQHCSRSFC No. 1 Fan


#5 ChrisG

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Posted 10 August 2022 - 11:52 am

Nice, I did a top end rebuilt on my Mk1, kept the same size pistons but had it honed and fitted new rings and valve stem seals.  Made a massive difference to the oil consumption.

 

Do you know what the increased displacement is and what the power difference should be?


1992 Mk1, 76k miles, Hagon springs, MTC exhaust, 4½ gears Gone now :(
2009 900 abs, 42k miles, Yamaha heated grips, double bubble screen, R&G crash bungs, scottoiler, Autocom, 1500 lumen LED spotlights.

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#6 TDrummer

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Posted 15 August 2022 - 05:22 pm

It's obvious now how tired the motor was before rebuild. 

New motor's broken in now.

It pulls harder than I thought it would (and I had high expectations).

To the question, is it worth putting thousands of $ into this 30 year old bike; yes, of course it is. 

Brand new motor and upgraded suspension, bars, seat, lights, more than worth it.

I have one of the relative few 92 TDMs imported to the USA.

I love that it's uncommon and how it runs/rides. 

 

bodywork next. 

 

and a manual fan switch.

 

My KLR 650 (685) has 170,000 miles and could use a new motor.

There's a 705 kit out there..... :good:

 

:wifgeni:

 

Good to hear the TDM's are being given another life :)  :good:



#7 TDrummer

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Posted 15 August 2022 - 05:28 pm

Not sure I calculated correctly. Came up with maybe 870 cc I recall? 

The main power increase came from worn condition of the motor before I rebuilt.

Compression was 50-60 lbs per cylinder.

Sad.

I wanted everything new, head decked, valve train, pistons, all new.

I'm surprised how much power it makes above 4K.

By 6K, it's pulling ripping.

killer.

:tup:

Nice, I did a top end rebuilt on my Mk1, kept the same size pistons but had it honed and fitted new rings and valve stem seals.  Made a massive difference to the oil consumption.

 

Do you know what the increased displacement is and what the power difference should be?



#8 dablik

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Posted 16 August 2022 - 08:14 am

2nd oversize would be 1mm which is the maximum rebore and the capacity should be 868.4cc  :lol: so close enough.


Bigred mk1 R1 Calipers- Braided lines- Givi wing rack-Crash bungs- Hi vis bullets-PR2's- and a hoot to ride.

Quad 900 Silver Laser duo tech pipes-Scott oiler-Engine crash bars- Radiator mounted see me ring LED's-Datatool system 3 alarm -Centre stand- Extender fender-Renthal bars-Handle bar risers-Mirror extenders-BMW GS Handgaurds-Acumen uprated horn & Nautilus-Stainless steel Radiator guard-Givi wing rack-OEM screen-Yammy touring screen-MRA Vario-MRA Double bubble cut down for fast as fk riding-Tiger screen-Tank protector-Stomp grip panels-Optimate lead   Gone to Heaven  :sorry: 

 

1991 MK1 in need of some TLC watch this space   :) Sorted and on the Road Mick  :P  :P it's the bike that Jack built  ;) Gone to Heaven  :wub: 

 


#9 TDrummer

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Posted 16 August 2022 - 03:40 pm


shock from Cogent Dynamics


Edited by TDrummer, 16 August 2022 - 03:41 pm.



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