1973 CZ 380cc Type 981 Down Pipe Aluminium Tank

1973 CZ 380cc Type 981 Down Pipe Aluminium Tank

The bike has a renovated original engine and a new original exhaust pipe. A 36mm Mikuni carburetor, like the factory had on their competition bikes. New Öhlins shock absorbers. New Metzeler tires. 80/100-21M/C 51R MST MC4 Front. 100/100-18 NHS MC4 Back. New fork  with double bolts. Adjustable spring. Updated swinging fork for better stability. Original aluminum tank.

It is “ready for race” and approved according to international and Swedish regulations.

Technical information

Engine: in new condition. 5 barrels. Full around crankshaft for higher compression. Forged Wiseco piston 1 piston ring 82.00 stroke 72. Modified: 5 Channels for higher power, modified control lever and starter lever

Gearbox: Modified ratio. 4 gears

Fuel tank: CZ Alloy  2.11 gallon

Carburator: Mikuni VM 36

Airfilter: Twin Air

Front fork: 180 mm front  wheel travel. 4 Bolt bottom support. Spring adjustable in 3 positions. Plug for change of oil. Extra scrape rings. Fork boots to protect carrier tube

Front wheel: Rim alloy VM-1 extra strong, New Metzler MC 4 80/100 x 21. Tube extra strong. Magnesium hub 180 mm brake. Front brake wire 2.5 mm. Tube 8 mm improve brake effect

Rear wheel:  Rim alloy VM-3. New Metzler MC 4 100/100 x 18. Tube extra strong. Magnesium hub 180 mm brake. Spokes 4 mm with steel nipples and in 2 cross.

Front mudguard: CZ original extra wide. Soft plastic

Rear mudguard: White plastic

Handlebar: CZ original with loose holder. Height 117 cm

Rear spring: 130 mm travel

Saddle: Harder rubber. Height 90 cm

Twistgrip: Gunnars quick throttle original

Chain: CZ original Type 520 H Cross. Chain adjuster roll upper and down

Frame:  1973-74 Chromolyden steel tube.  Modified brake lever and brake tie-rod. Rocker grease nipple. Lock plate for rocker plug. Holder on back frame for stronger saddle mounting. Modified footrest.

Nuts: All with nylonlock

Weight: 102 kg

Extra: Sprocket 13 t, 14 t, 14 t original. Tool kit. Service manual. Spare part catalogue. Mikuni super tuning. And stand

Call us

(Technical questions are answered by phone)

Phone: +46-8-974050, Fax: +46-8-972090

Opening hours

Monday – Friday 08:00 – 16:45
Saturday, Sunday closed.
Lunch: 11:00 – 12:00

Visit us

StiBo Motor
Altartorpsvägen 3, 141 70 Segeltorp
(Stockholm) Sweden

Email us

(Technical questions are answered by phone)