Engine revision kit for the 3-channel engines of older large frame models with rotary vane inlet (Vespa GTR125 (VNL2T), TS125 (VNL3T), Sprint150 Veloce (VLB1T 0150001-)). Not suitable for engines with a carburetor inlet on the cylinder (GS150, Motovespa).
NOTE: The long time not available roller bearing of the main shaft (drive shaft) on the shiftbox side is finally available again as reproduction in a fantastic quality from BGM. This is also included in our revision kit. The other bearings available on the market all have a bearing clearance of over 6/10mm. With this the main shaft has a lot of play and would attract the attention of the TÜV at the latest. The main shaft wheel bearing for the small engine half is enclosed for both the old and the new main shaft type.
If the engine has auxiliary shaft needles with pointed ends, the needles supplied in the set may not fit. The tapered needle type is no longer available. If the running surface of the bearing needles on the auxiliary shaft is still perfectly intact and the new needles do not fit, the old needles can usually be reused without hesitation. If the shaft is worn in or shows pitting marks, a replica auxiliary shaft can be used. The new needle type fits into these replica shafts. Alternatively, an undercut can be made in the old auxiliary shaft on a lathe in order to be able to use the new needle type with round ends here as well.
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