c.1986 Yamaha TZ250S Racing Motorcycle Frame no. 1RK-000188 Engine no. 1RK-000188
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Description
c.1986 Yamaha TZ250S Racing Motorcycle
Frame no. 1RK-000188
Engine no. 1RK-000188
The mainstay of 250cc class racing at national and international level for many years, the twin-cylinder two-stroke Yamaha well deserved the title of 'privateer's friend'. Following its successful adoption for the 1972 works twins, water cooling first appeared on Yamaha's over-the-counter racers with the introduction of the TZ range in 1973. Power output remained the same as that of the preceding air-cooled TD/TR models but reliability was much improved. Over the succeeding decade the TZ engine was updated with reed-valve induction, exhaust power valves, separate cylinders and a backwards-rotating crankshaft, but the layout always remained that of a parallel twin. On the chassis side, discs replaced the original drum brakes, a 'lowboy' frame was introduced and an aluminium swinging arm adopted. From the mid-1980s onwards, a succession of more radical changes would see the TZ fundamentally altered.
Offered here is an example of the new-for-1986 TZ250S, which for the first time featured Yamaha's Deltabox aluminium twin-spar frame and rising-rate rear suspension. Little had changed inside the engine apart from the switch to six-petal reed valves, up from the preceding four. Nothing is known of the history of this TZ250S, which is believed to have been purchased to use as a track bike and ridden at Mallory park (date unknown). Recommissioning will be required before the machine returning to the race track (the engine turns over). No documents.
Footnotes:
All lots are sold 'as is/where is' and Bidders must satisfy themselves as to the provenance, condition, age, completeness and originality prior to bidding.
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This Lot will be auctioned on Saturday 20 April starting at 2pm GMT.
Frame no. 1RK-000188
Engine no. 1RK-000188
The mainstay of 250cc class racing at national and international level for many years, the twin-cylinder two-stroke Yamaha well deserved the title of 'privateer's friend'. Following its successful adoption for the 1972 works twins, water cooling first appeared on Yamaha's over-the-counter racers with the introduction of the TZ range in 1973. Power output remained the same as that of the preceding air-cooled TD/TR models but reliability was much improved. Over the succeeding decade the TZ engine was updated with reed-valve induction, exhaust power valves, separate cylinders and a backwards-rotating crankshaft, but the layout always remained that of a parallel twin. On the chassis side, discs replaced the original drum brakes, a 'lowboy' frame was introduced and an aluminium swinging arm adopted. From the mid-1980s onwards, a succession of more radical changes would see the TZ fundamentally altered.
Offered here is an example of the new-for-1986 TZ250S, which for the first time featured Yamaha's Deltabox aluminium twin-spar frame and rising-rate rear suspension. Little had changed inside the engine apart from the switch to six-petal reed valves, up from the preceding four. Nothing is known of the history of this TZ250S, which is believed to have been purchased to use as a track bike and ridden at Mallory park (date unknown). Recommissioning will be required before the machine returning to the race track (the engine turns over). No documents.
Footnotes:
All lots are sold 'as is/where is' and Bidders must satisfy themselves as to the provenance, condition, age, completeness and originality prior to bidding.
REQUEST A TRANSPORT QUOTE
Please click the link to request a transport quote from our recommended transport company, Moving Motorcycles.
To request a UK or European shipping quote - Moving Motorcycles
To request an International shipping quote - Shippio
This Lot will be auctioned on Saturday 20 April starting at 2pm GMT.
Buyer's Premium
- 15% up to £500,000.00
- 12% above £500,000.00
c.1986 Yamaha TZ250S Racing Motorcycle Frame no. 1RK-000188 Engine no. 1RK-000188
Estimate £3,000 - £5,000
5 bidders are watching this item.
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Item located in Weston Road, Stafford, ukSee Policy for Shipping
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