Rare TRIUMPH Thunderbird 900 Restoration Base Project Motorcycle Parts Car
¥200,000 · ends Oct 10, 2026
Landed in the US, all in: $1,648 · before Japan domestic shipping, which this seller had not yet quoted






- Category
- Cars & motorcycles › Motorcycles › Complete motorcycles › Triumph
- Condition
- Some wear
- Seller rating
- 100%
From the seller
Triumph Thunderbird 900 (1997 model) Non-running Junk - Needs Repair and Restoration
Mileage: 94,469km
Inspection Expired: June 2024
Color: Wine Red
Thank you for viewing.
I purchased this at auction and intended to service and ride it, but I have determined that I cannot service this vehicle any further.
【*Extremely Important - Please Read to Prevent Problems*】
This vehicle is a completely non-running junk vehicle with the "sprague clutch (starter clutch) slippage/failure" problem common to early model Triumphs. (Sprague clutch genuine part number T1221030)
I am not very knowledgeable about motorcycles, but after researching, I believe this is the cause.
The cranking is fine, but with the spark plug removed (the "lightest load"), the starter motor sometimes turns with a slight whirring sound. However, once the spark plug is put back in and compression is applied to the engine, it can't withstand the load, resulting in a loud clanging and whirring noise, alternating with the sound of the crankshaft spinning freely, and the crankshaft won't turn.
It seems the spark plug clutch itself isn't faulty, but rather the spring in the bearing inside is stretched and damaged (though this can only be confirmed by disassembling it).
There seems to be a workaround involving using a spring from an oil seal of the same size to fix it.
Further repairs are difficult for me, so I request bids only from experienced mechanics, Sunday mechanics, or those seeking parts.
Please, help bring him back to life! m(_ _;)m
Although it's an older vehicle with some white rust, the body is very clean, showing that the previous owner took good care of it.
Currently stored indoors. (Probably from the previous owner)
Currently no oil leaks, no dents in the tank.
* The old gasoline and coolant in the fuel tank and carburetor have been drained and are currently empty. About half of the engine oil has also been drained.
* The engine is not seized. It can be easily pushed by hand without dragging the brakes.
* Lights have been checked. (Currently battery-less)
* Includes vehicle registration return certificate, transfer document, and one key.
https://aucphoto.com/pics/2026-09/153455_dd48afe4.jpg
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The winning bidder will receive the documents via Letter Pack Plus for an additional 600 yen.
[Regarding Land Transportation/Pickup]
* We only accept direct pickups or "non-operational motorcycle transport (such as I-Line)" at the buyer's expense and arrangement.
* Please understand that we cannot arrange land transportation or confirm shipping costs.
[Important Notes]
* This listing is based on a complete and honest description of all defects (splashing clutch failure).
After the auction ends, we will not accept returns, refunds, price reductions, or complaints for any reason whatsoever (e.g., "the condition was worse than expected," "I didn't read the description"). Bidding signifies your agreement to the above.
Please only bid if you can contact us within 24 hours of winning the auction and make payment within 3 days.
We reserve the right to cancel bids from bidders with significantly poor feedback ratings.
Figures as we last read them, Oct 4, 2026 · original listing on Yahoo! JAPAN Auctions
