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WebshopVespa PX/T...TuningTuning BFA...Nut M14x1,5 mm, AF 19mm,
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Nut M14x1,5 mm, AF 19mm,

with flange
BFA MOTORI, crankshaft/clutch,
RACE-TUNING, for professionals

A very sturdy, vibration-free full-circle webbed crankshaft, produced specifically for the BFA Vespa largeframe crankcases.

 

Every two-stroke motor possesses the advantage of consisting of only three moving parts; The crankshaft, con rod and piston. This simplicity also saves an awful lot of weight, when compared to other combustion motor types. This is also the fundamental reason that these components are so essential in the tuning of Vespas. This has been consequently realised by BFA in the construction of this crankshaft and have dimensioned it accordingly.

  • Heavy duty for smooth running engine by mass between crankshaft bearings
  • Long, high-quality connecting rod with good lubrication of the bearings
  • Very stable due to wide design and high quality materials

In order to enable it to successfully withstand higher-than-standard performance values any crankshaft requires sufficient material surrounding the more relevant positions to provide more stability during use. A certain quantity of rotating mass is also necessary to provide a smoother running motor, ideally concentrated surrounding the areas where the forces causing the vibrations are most apparent. It is also practical when the crankshaft itself is provided with a certain amount of mass to especially, but not exclusively, be combined with more powerful motors.

 

Very strong webs

The crankshaft in this BFA kit is noticeably more sturdily dimensioned, with a total web width of 54.4mm and a 102mm web diameter. This range of crankshafts weigh from 3.5 Kg (original crankshafts weigh about half) according to type. This provides sufficient rotational mass to noticeably improve both the smooth running and stability of the motor. Despite its massive dimensioning this advantage in weight could only be achieved by the use of heavy-metal crankshaft web plug-inserts. An involved but extremely effective method of providing the crankshaft with sufficient mass.

 

The forged con rod

The BFA crankshafts are all equipped with forged and polished con rods, with a length of between 120mm and 135mm. Generously dimensioned lubrication slots are provided, at either end, for both the big and small-end bearings.

 

The new clutch stub

One of the more unusual and perhaps interesting features concerns the version with a redesigned clutch-side crankshaft stub. The first version retains a standard-style clutch attachment assembly and the other comes equipped with a fixed cog-style attachment option. This makes the connection between the crankshaft and the clutch extremely durable and also more stable. This solution requires however the inclusion of a suitably compatible clutch type, equipped with an identical cog-style attachment set up. This system no longer requires the potentially nerve-racking mounting with a woodruff key and slot! Clutches that spin or heat-seize to the crankshaft become a part of history!

 

Conclusion : The complementary high-end crankshaft and also technical kingpin of the excellent game-changing crankcases from BFA!

 

The technical specifications at a glance :

  • 54.4mm total web width,102mm web diameter, weight: 3,5kg
  • 60mm stroke (187-225ccm) or 64mm (306ccm)
  • Tungsten crankshaft web insert plugs
  • Forged and polished con rod
  • Optional cog-style clutch mounting available
  • Including piston pin bearing, woodruff key clutch side and clutch nut

The Best Setup - Our SIP-TIP :

  • SIP BFA crankcase absolutely necessary
  • Do not forget to order crankshaft bearing art.-no.  90056100/90056200 and shaft seals art. no. 91033700/91033800, as well as PX woodruff key flywheel side and nut
  • The crankshaft can be gently installed with this tool art. no.  10052700

Please note: During mounting pay attention to the positioning of the bearing. The BFA crankcases are already equipped with their own bearings with the fixed bearing being located within the flywheel side of the engine casings.


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SIP BFA
Tuning BFA 187 - 306 cc

 
7,90 €
7.90
EUR
This item is currently not available but will be back in stock soon.

incl. VAT
plus shipping
Art.No.
78245803

0g / piece
Stock on hand   Amount
Est. date of delivery 18.03.2020
Daily arrival expected.

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fits on the following articles
divider Productname divider Art. No. divider Price divider Stock
Full Circle Crankshaft SIP BFA 306 for Vespa 125 VNA-TS/150 VBA-Super/160 GS/180 SS 78245800 799,00 €
icon scootermodels This product fits the following models
  LML
divider Producer/Model divider cc divider Type divider Engine divider Yr. of Const. divider Extra
LML Star 125 2T/ DLX / Via Toscana / Deluxe 125 2T AC für Motorgehäuse SIP BFA 187-306ccm
LML Star 150 2T / DLX / Via Toscana / Star / Stella / Belladonna RV 150 2T AC für Motorgehäuse SIP BFA 187-306ccm
  VESPA
divider Producer/Model divider cc divider Type divider Engine divider Yr. of Const. divider Extra
VESPA 125 125 VM1-2T 2T AC `52-`54 für Motorgehäuse SIP BFA 187-306ccm
VESPA 125 125 VNT1-2 2T AC `60-`62 für Motorgehäuse SIP BFA 187-306ccm
VESPA 125 125 V30-33 2T AC `51-`53 für Motorgehäuse SIP BFA 187-306ccm
VESPA 125 125 V1-15T 2T AC `48-`50 für Motorgehäuse SIP BFA 187-306ccm
VESPA 125 125 VN1-2T 2T AC `54-`57 für Motorgehäuse SIP BFA 187-306ccm
VESPA 125 (T1/125) (D) 125 VNA1-2 2T AC `57-`59 für Motorgehäuse SIP BFA 187-306ccm
VESPA 125 (T2/125) (D) 125 VNB1-6 2T AC `59-`65 für Motorgehäuse SIP BFA 187-306ccm
VESPA 125 ACMA 125 2T AC `51-`55 für Motorgehäuse SIP BFA 187-306ccm
VESPA 125 GT / 125 Sprint 125 VNL1-2 2T AC `61-`73 für Motorgehäuse SIP BFA 187-306ccm
VESPA 125 GTR 125 VNL2T 2T AC `68-`78 für Motorgehäuse SIP BFA 187-306ccm
VESPA 125 S 125 VNS1-6 2T AC `59-`65 für Motorgehäuse SIP BFA 187-306ccm
VESPA 125 Super 125 VNC1T 2T AC `65-`69 für Motorgehäuse SIP BFA 187-306ccm
VESPA 125 TS 125 VNL3T 2T AC `75-`78 für Motorgehäuse SIP BFA 187-306ccm
VESPA 150 150 VBB1-2 2T AC `60-`67 für Motorgehäuse SIP BFA 187-306ccm
VESPA 150 150 VB1T 2T AC `57-`58 für Motorgehäuse SIP BFA 187-306ccm
VESPA 150 150 VBA1T 2T AC `58-`60 für Motorgehäuse SIP BFA 187-306ccm
VESPA 150 150 VL1-3T 2T AC `54-`57 für Motorgehäuse SIP BFA 187-306ccm
VESPA 150 (T1/150) (D) 150 VL1T 2T AC `55 für Motorgehäuse SIP BFA 187-306ccm
VESPA 150 (T2/150) (D) 150 VD1T 2T AC `56 für Motorgehäuse SIP BFA 187-306ccm
VESPA 150 (T3/150) (D) 150 VD2T 2T AC `57-`59 für Motorgehäuse SIP BFA 187-306ccm
VESPA 150 (T4/150) (D) 150 VGLA-B 2T AC `59-`65 für Motorgehäuse SIP BFA 187-306ccm
VESPA 150 GL 150 VLA1T 2T AC `62-`64 für Motorgehäuse SIP BFA 187-306ccm
VESPA 150 GL ACMA 150 VGL1T 2T AC `56-`58 für Motorgehäuse SIP BFA 187-306ccm
VESPA 150 GL Touring (DK) 150 VGLA-B 2T AC `57-`58 für Motorgehäuse SIP BFA 187-306ccm
VESPA 150 GS 150 VS1-5T 2T AC `55-`61 für Motorgehäuse SIP BFA 187-306ccm
VESPA 150 GS (D) 150 VDTS 2T AC `56-`65 für Motorgehäuse SIP BFA 187-306ccm
VESPA 150 Sprint 150 VLB1T 2T AC `65-`74 für Motorgehäuse SIP BFA 187-306ccm
VESPA 150 Sprint Veloce 150 VLB1T 2T AC `69-`79 für Motorgehäuse SIP BFA 187-306ccm
VESPA 150 Super 150 VBC1T 2T AC `65-`79 für Motorgehäuse SIP BFA 187-306ccm
VESPA 160 GS (GS4) (D) 160 VSB1-2T 2T AC `62-`64 für Motorgehäuse SIP BFA 187-306ccm
VESPA 180 Rally 180 VSD1T 2T AC `68-`73 für Motorgehäuse SIP BFA 187-306ccm
VESPA 180 SS Super Sport 180 VSC1T 2T AC `64-`68 für Motorgehäuse SIP BFA 187-306ccm
VESPA 200 Rally 200 VSE1T 2T AC `72-`79 für Motorgehäuse SIP BFA 187-306ccm
VESPA Hoffmann A/B 125 - 2T AC `50-`53 für Motorgehäuse SIP BFA 187-306ccm
VESPA Hoffmann C 125 - 2T AC `54 für Motorgehäuse SIP BFA 187-306ccm
VESPA Hoffmann M24 Königin 125 - 2T AC `54-`55 für Motorgehäuse SIP BFA 187-306ccm
VESPA Modell "U" 125 VU1T 2T AC `53 für Motorgehäuse SIP BFA 187-306ccm
VESPA P125X 125 VNX1T 2T AC `77-`82 für Motorgehäuse SIP BFA 187-306ccm
VESPA P150 S 150 VBX1T 2T AC `78-`90 für Motorgehäuse SIP BFA 187-306ccm
VESPA P150X / PX150 E 150 VLX1T 2T AC `78-`85 für Motorgehäuse SIP BFA 187-306ccm
VESPA P200E / PX200 E 200 VSX1T 2T AC `77-`83 für Motorgehäuse SIP BFA 187-306ccm
VESPA P80 / P80 E (Frankreich) 80 V8A1T 2T AC `80-`84 für Motorgehäuse SIP BFA 187-306ccm
VESPA P80X/PX80 E 80 V8X1T 2T AC `81-`83 für Motorgehäuse SIP BFA 187-306ccm
VESPA PX 80 E Lusso/ EFL/ Arcobaleno / Elestart 80 V8X1T 2T AC `83-`90 für Motorgehäuse SIP BFA 187-306ccm
VESPA PX100 E 100 VIX1T 2T AC `83-`84 für Motorgehäuse SIP BFA 187-306ccm
VESPA PX125 2011/ 30 Jahre 125 ZAPM74100 2T AC `11- für Motorgehäuse SIP BFA 187-306ccm
VESPA PX125 CAT 125 ZAPM50100 2T AC `07- für Motorgehäuse SIP BFA 187-306ccm
VESPA PX125 E 125 VNX1T 2T AC `81-`83 für Motorgehäuse SIP BFA 187-306ccm
VESPA PX125 E '98 / Millenium 125 VNX2T 2T AC `98-`05 für Motorgehäuse SIP BFA 187-306ccm
VESPA PX125 E Lusso/EFL/Arcobaleno / Elestart 125 VNX2T 2T AC `83-`97 für Motorgehäuse SIP BFA 187-306ccm
VESPA PX150 2011 150 ZAPM74200 2T AC `11- für Motorgehäuse SIP BFA 187-306ccm
VESPA PX150 E '98 / Millenium 150 VLX1T 2T AC `98-`05 für Motorgehäuse SIP BFA 187-306ccm
VESPA PX150 E Lusso/EFL/Arcobaleno / Elestart 150 VLX1T 2T AC `83-`97 für Motorgehäuse SIP BFA 187-306ccm
VESPA PX200 E '98 / Millenium 200 VSX1T 2T AC `98-`05 für Motorgehäuse SIP BFA 187-306ccm
VESPA PX200 E Lusso/ EFL/ Arcobaleno / Elestart 200 VSX1T 2T AC `83-`97 für Motorgehäuse SIP BFA 187-306ccm
VESPA T5 / Elestart 125 VNX5T 2T AC `85-`90 für Motorgehäuse SIP BFA 187-306ccm
VESPA T5 Classic 125 VNX5T 2T AC `92-`95 für Motorgehäuse SIP BFA 187-306ccm

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