Item code 1101: Genuine Honda CBR 125 crankshaft. Price: 116 USD
Pic: 1 2 3 4

Item code 1102: Genuine Honda renewed crankshaft with Japan conrod Price: 69.95 USD
Compatible bikes 2004-2018 year, carburetor and injection type engine. Optional Forged conrod
Crankshaft get new Tenkico conrod set, with pin and bearing.
The conrod design is more rugged than the factory. The crankshaft is remain to factory specifications. Suitable original series race, because its design meets competition conditions. Pic: 1 2 3 4

Item code 1103: Genuine Honda Crankshaft bearings pair Price: 46 USD
Genuine parts, factory serial number. Pic: 1
Item code 1104: NTN Crankshaft bearings pair Price: 32 USD
NTN genuine Japan bearings. Pic: 1
Item code 1105: Nachi Crankshaft bearings pair Price: 29 USD
Nachi genuine Japan bearings. Pic: 1

Item code 1106: Racing Faito Crankshaft bearings pair Price: 69.90 USD
Lite-Tech teflon ball retainer, C3 bearing fit, plus oil film, revolution optimalized for 10.000-15.000 / minute. Low friction. Max revolution factory certification: 25.000 RPM. Use only racing. Pic: 1 2 3 4 5

Item code 1107: Honda CBR 125R High speed SKF racing main bearings Price: 45.95 USD
High revolution low friction crankshaft bearings. Optimalized extreme revolution and operation temperature 10000-15000 RPM Pic: 1 2 3

Item code 1108: Honda CBR 125R main bearings pair SBC Price: 13.95 USD
Pic: 1

Item code 1109: Ultralight race renew modify crankshaft conrod made in Japan. Price: 119.95 USD
Optimalized for high revolution, cut unnecessary material, and balancer gear. Iinside resistance lesser, engine save ~ 700 gram rotation weight, and two gear, and two bearings friction. Optional Forged conrod
+ pictures: 1 2 3 4

Item code 1110: Connecting rod made in  Japan. Price: 84.95 USD

Torque effect:
Pin eccentric 3 mm from midline. Connecting rod bottom pin rotate outside circle.
Honda CBR 125 engine default stroke 47.2 mm.
Outside 3 mm, then top + 3 mm, bottom + 3 mm, total stroke + 6 mm = 53.2 mm. Engine new bore/stroke caracter 58x53.2 mm. This only torque tuning. Engine RPM not higher! Lower about - 200 RPM/min, but plus torque 18% all RPM range. Engine new capacity 141 ccm.
Plus 18% power join forces: +11 % from egnine bigger capacity (ccm), and +7% from higher compression.
This kit allow 95 octane fuel. Not necessary set-up CDI or PGMFI-UNIT
After fit conrod 6th gear not only economy, get power to bigger speed.

Set of:
1 pcs. Connecting rod.
1 pcs. Connecting rod special eccentric pin
2 pcs Connecting rod split special bearings
1 pcs. Cylinder lifting aluminium panel 3 mm.
2 pcs. Honda cilynder base gasket 2 pcs.

Optional:
Genuine Honda 92L valve chain 10 USD
Forged conrod

Item code 1111: Honda cbr 125 advanced long stoke crankshaft. Price: 134.95 USD

Set of:
Crankshaft with 53.2 mm stroke
Lifting panel 3 mm
Cylinder base gasket 2 pcs.

Optional:
Genuine Honda 92L valve chain 10 USD
Optional Forged conrod

Run out crankshaft renew & modify in workshop. Get new conrod with bearing. Instal special, 3 mm eccentric con rod pin. Fit with standard 58 mm piston engine.
With modify eccentric pin original 47.2 mm stroke higher to 53.2 mm. Engine update 141 ccm.
Crankshaft outside diameter reduced to 97 mm from 100 mm with lathe..
Original CBR 125 rotating mass (crankshaft - flywheel - starting cluch) together 6 kg. unreasonable plus weight. With working machine throw down 0.3 kg. from outer edge.
Removed ballast from outer edge best efficiency spin up crankshaft.  Pic: 1 2 3

Item code 1112: Honda CBR 125R high revolution ceramic gear bearings set 4 Pcs. Price: 47.95 USD
Ultralight, high revolution, low friction, hot resistance. Pic: 1 2 3 4

Item code 1113: Honda CBR 125R high revolution gear bearings set Price: 19.95 USD
C3 type high revolution low friction bearing set Pic: 1 2

Item code 1114: Honda CBR 125R high revolution C3 balancer bearings pair Price: 9.95 USD

Item code 1115: Honda CBR 125R Used complete gearbox set Price: 59.95 USD
Pic: 1 2 3

Honda CBR 125 Engine repair special tools ( puller & screw head ) click here