Accossato off-road rear axle blocks RTY1 for Yamaha YZ125, black colour⟲ 360° — drag me
02 · Data & docs

The facts.

Technical data
BrandAccossato
TypeOff-road rear axle blocks without adjusting screw
Part numberRTY1
ColoursBlack, silver, blue
UseOff-road (enduro, motocross)
FitmentYamaha YZ125 (2009–2018)
CheckCompare with the application list before ordering
Road approvalNone documented, off-road and competition use
DescriptionThe whole story▼

Some YZ125 owners run the bike on a tight shoestring, keeping it going on whatever is simplest and cheapest to maintain rather than chasing every available upgrade, and the axle blocks are one place that philosophy shows clearly. Accossato's RTY1 fits that approach, replacing the rear axle blocks on the YZ125 built between 2009 and 2018 without adding a screw to either one.

Key Features

  • Rear axle blocks for the Yamaha YZ125, 2009 to 2018
  • Accossato code RTY1, one pair, left and right
  • Chain tension set the stock way, with no built-in adjusting screw
  • Blue, black or silver
  • Same pair also listed for the Yamaha YZ250
  • Accossato's RCY1 covers the same bike with an adjusting screw, for riders who prefer that method
  • No German ABE on file; built for off-road and competition use

Construction and Material Quality

Setting chain tension on the RTY1 stays entirely down to the axle nut and the reference marks cast into the swingarm, since neither block in the pair carries any extra hardware of its own. Accossato finishes the two in blue, black or silver, blue being the shade most owners pick to sit with the YZ125's own plastics. Once a block has scraped down to an uneven edge, the pair is better replaced outright than nursed along for another ride.

Keeping a Two-Stroke Cheap to Run

A two-stroke like the YZ125 appeals to plenty of riders precisely because it costs less to keep going than a modern four-stroke, and that same thinking tends to carry over into which replacement parts get chosen when something wears out. The RTY1 swaps a worn axle block for a fresh one without adding the small extra cost of a built-in adjusting screw that a budget-focused owner may see no need to pay for. It keeps the bike's running costs in line with the simple, affordable reputation that drew many owners to a two-stroke in the first place.

Fitment and Compatibility

The RTY1 and the RCY1 share the same application window for the YZ125, both covering 2009 to 2018. The identical block is also listed for the Yamaha YZ250. Checking the exact frame year against Accossato's list is still worth doing before ordering.

Road Approval

Accossato lists no German ABE for the RTY1, so the blocks are intended for off-road and competition use rather than for use on public roads.

Scope of Delivery

Supplied as one pair of rear axle blocks, left and right, in the colour you choose.

Specifications

  • Type: Off-road rear axle blocks without adjusting screw
  • Part number: RTY1
  • Colours: Black, silver, blue
  • Use: Off-road (enduro, motocross)
  • Fitment: Yamaha YZ125 (2009–2018)
  • Check: Compare with the application list before ordering
  • Road approval: None documented, off-road and competition use
What's includedEverything in the box▼
  • Accossato rear axle blocks
FitmentWhich bikes this fits▼
  • Yamaha YZ125 (2009–2018)
  • Yamaha YZ250 (2009–2018)
07 · Support

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