I have written an article here on installing a JCosta on a GTS 300 which is the same as a GTS 250.
GTS 300 JCosta Installation
Information on the rollers and standard variator can be found here in the GT article
GT200 CVT belt and rollers replacement.
GTS 300 JCosta Installation
Information on the rollers and standard variator can be found here in the GT article
GT200 CVT belt and rollers replacement.
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