# CRF50 Z50 & XR50

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- **Breadcrumbs:** [Home](https://tboltusa.com/store/index.md) > [Japanese Mini Bike Parts](https://tboltusa.com/store/japanese-mini-bike-parts-c-100.md) > CRF50 Z50 & XR50
- **Web page:** [this page on tboltusa.com](https://tboltusa.com/store/japanese-mini-bike-parts-crf50-z50-xr50-c-100_122.html)
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- **Generated:** 2026-11-07 11:20 EST
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All prices are in US dollars (USD). Shipping and any tax are worked out at checkout.

Products are filed in categories. Most top categories split by bike or engine model; a product can be listed in more than one category.

About this category (the store's own text):

**Stock Specifications**

**CRF50F 2004-Present**

- Front tire - 2.50 x 10'' / Rear tire - 2.50 x 10''
- Front sprocket - 14 Tooth / Rear sprocket - 37 Tooth
- Chain - 420 x 78 Links
- Spark plug - NGK C6HSA
- Main jet - 58

**XR50 2000-2003**

- Front tire - 2.50 x 14'' / Rear tire - 3.00 x 12''
- Front sprocket - 14 Tooth / Rear sprocket - 37 Tooth
- Chain - 420 x 88 Links
- Spark plug - NGK C6HSA

**Z50 1972-1981**

- Front tire - 3.50 x 8'' / Rear tire - 3.50 x 8''
- Front sprocket - 12 Tooth / Rear sprocket - 37 Tooth
- Chain - 420 x 76 Links
- Spark plug - NGK C6HSA

**Z50R 1982-1987**

- Front tire - 3.50 x 8'' / Rear tire - 3.50 x 8''
- Front sprocket - 13 Tooth / Rear sprocket - 37 Tooth
- Chain - 420 x 76 Links
- Spark plug - NGK C6HSA

**Z50R 1988-1999**

- Front tire - 3.50 x 8'' / Rear tire - 3.50 x 8''
- Front sprocket - 14 Tooth / Rear sprocket - 37 Tooth
- Chain - 420 x 76 Links
- Spark plug - NGK C6HSA

## Sub-categories

- [Bars & Controls](https://tboltusa.com/store/crf50-z50-xr50-bars-controls-c-100_122_130.md)
- [Big Bore & Engine Kits](https://tboltusa.com/store/crf50-z50-xr50-big-bore-engine-kits-c-100_122_124.md)
- [Brake Pads & Pedals](https://tboltusa.com/store/crf50-z50-xr50-brake-pads-pedals-c-100_122_199.md)
- [Carb kits](https://tboltusa.com/store/crf50-z50-xr50-carb-kits-c-100_122_125.md)
- [Electrical](https://tboltusa.com/store/crf50-z50-xr50-electrical-c-100_122_128.md)
- [Engine Covers & Dress Up Parts](https://tboltusa.com/store/crf50-z50-xr50-engine-covers-dress-up-parts-c-100_122_506.md)
- [Exhaust Pipes](https://tboltusa.com/store/crf50-z50-xr50-exhaust-pipes-c-100_122_131.md)
- [Frames & Swingarms](https://tboltusa.com/store/crf50-z50-xr50-frames-swingarms-c-100_122_507.md)
- [Front Forks](https://tboltusa.com/store/crf50-z50-xr50-front-forks-c-100_122_129.md)
- [Pegs & Mounts](https://tboltusa.com/store/crf50-z50-xr50-pegs-mounts-c-100_122_139.md)
- [Plastics & Graphics](https://tboltusa.com/store/crf50-z50-xr50-plastics-graphics-c-100_122_505.md)
- [Rear Shocks & Skid plates](https://tboltusa.com/store/crf50-z50-xr50-rear-shocks-skid-plates-c-100_122_508.md)
- [Seats & Tanks](https://tboltusa.com/store/crf50-z50-xr50-seats-tanks-c-100_122_138.md)
- [Sprockets & Chains](https://tboltusa.com/store/crf50-z50-xr50-sprockets-chains-c-100_122_503.md)
- [Wheels and Tires](https://tboltusa.com/store/crf50-z50-xr50-wheels-and-tires-c-100_122_504.md)

## Next to this category

- [KLX 110 & DRZ 110](https://tboltusa.com/store/japanese-mini-bike-parts-klx-110-drz-110-c-100_123.md)
- [CRF110F](https://tboltusa.com/store/japanese-mini-bike-parts-crf110f-c-100_817.md)
- [CRF70 and XR70](https://tboltusa.com/store/japanese-mini-bike-parts-crf70-and-xr70-c-100_36.md)
- [CRF100 and XR100](https://tboltusa.com/store/japanese-mini-bike-parts-crf100-and-xr100-c-100_62.md)
- [CRF125F](https://tboltusa.com/store/japanese-mini-bike-parts-crf125f-c-100_1090.md)
- [CRF150F](https://tboltusa.com/store/japanese-mini-bike-parts-crf150f-c-100_597.md)
- [CRF150R](https://tboltusa.com/store/japanese-mini-bike-parts-crf150r-c-100_90.md)
- [CRF230F](https://tboltusa.com/store/japanese-mini-bike-parts-crf230f-c-100_598.md)
- [CRF80 and XR80](https://tboltusa.com/store/japanese-mini-bike-parts-crf80-and-xr80-c-100_1092.md)
- [DRZ70](https://tboltusa.com/store/japanese-mini-bike-parts-drz70-c-100_1120.md)
- [KLX 125](https://tboltusa.com/store/japanese-mini-bike-parts-klx-125-c-100_601.md)
- [KLX 140](https://tboltusa.com/store/japanese-mini-bike-parts-klx-140-c-100_602.md)
- [KX 65](https://tboltusa.com/store/japanese-mini-bike-parts-kx-65-c-100_744.md)
- [KX 85](https://tboltusa.com/store/japanese-mini-bike-parts-kx-85-c-100_745.md)
- [Monkey 2019-present](https://tboltusa.com/store/japanese-mini-bike-parts-monkey-2019-present-c-100_1121.md)
- [MSX125 Grom](https://tboltusa.com/store/japanese-mini-bike-parts-msx125-grom-c-100_947.md)
- [RM 85](https://tboltusa.com/store/japanese-mini-bike-parts-rm-85-c-100_749.md)
- [Super Cub C125 - Trail 125 - DAX125](https://tboltusa.com/store/japanese-mini-bike-parts-super-cub-c125-trail-125-dax125-c-100_1148.md)
- [TT-R110](https://tboltusa.com/store/japanese-mini-bike-parts-tt-r110-c-100_599.md)
- [TT-R125](https://tboltusa.com/store/japanese-mini-bike-parts-tt-r125-c-100_600.md)
- [TT-R50](https://tboltusa.com/store/japanese-mini-bike-parts-tt-r50-c-100_87.md)
- [YZ 85](https://tboltusa.com/store/japanese-mini-bike-parts-yz-85-c-100_747.md)
- [Z125 PRO](https://tboltusa.com/store/japanese-mini-bike-parts-z125-pro-c-100_1031.md)
- [PW50](https://tboltusa.com/store/japanese-mini-bike-parts-pw50-c-100_964.md)

## Navigate

- Up one level: [Japanese Mini Bike Parts](https://tboltusa.com/store/japanese-mini-bike-parts-c-100.md)
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