Racelite aluminium rear race sprocket | JT Sprockets
Exact fit to:
YAMAHA MX250 B [1975 - 1976]
1975 - 1976 YAMAHA MX 250
Transmision ratio:
| 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | ||
| 38 | 3.80 -1.2% | 3.45 -10.2% | 3.17 -17.7% | 2.92 -24.0% | 2.71 -29.4% | 2.53 -34.1% | 2.38 -38.2% | 2.24 -41.9% | 2.11 -45.1% | |
| 40 | 4.00 +4.0% | 3.64 -5.5% | 3.33 -13.3% | 3.08 -20.0% | 2.86 -25.7% | 2.67 -30.7% | 2.50 -35.0% | 2.35 -38.8% | 2.22 -42.2% | |
| 41 | 4.10 +6.6% | 3.73 -3.1% | 3.42 -11.2% | 3.15 -18.0% | 2.93 -23.9% | 2.73 -28.9% | 2.56 -33.4% | 2.41 -37.3% | 2.28 -40.8% | |
| 42 | 4.20 +9.2% | 3.82 -0.7% | 3.50 -9.0% | 3.23 -16.0% | 3.00 -22.0% | 2.80 -27.2% | 2.62 -31.8% | 2.47 -35.8% | 2.33 -39.3% | |
| 43 | 4.30 +11.8% | 3.91 +1.6% | 3.58 -6.8% | 3.31 -14.0% | 3.07 -20.1% | 2.87 -25.5% | 2.69 -30.1% | 2.53 -34.2% | 2.39 -37.9% | |
| 44 | 4.40 +14.4% | 4.00 +4.0% | 3.67 -4.7% | 3.38 -12.0% | 3.14 -18.3% | 2.93 -23.7% | 2.75 -28.5% | 2.59 -32.7% | 2.44 -36.4% | |
| 45 | 4.50 +17.0% | 4.09 +6.4% | 3.75 -2.5% | 3.46 -10.0% | 3.21 -16.4% | 3.00 -22.0% | 2.81 -26.9% | 2.65 -31.2% | 2.50 -35.0% | |
| 46 | 4.60 +19.6% | 4.18 +8.7% | 3.83 -0.3% | 3.54 -8.0% | 3.29 -14.6% | 3.07 -20.3% | 2.88 -25.2% | 2.71 -29.6% | 2.56 -33.6% | |
| 47 | 4.70 +22.2% | 4.27 +11.1% | 3.92 +1.8% | 3.62 -6.0% | 3.36 -12.7% | 3.13 -18.5% | 2.94 -23.6% | 2.76 -28.1% | 2.61 -32.1% | |
| 48 | 4.80 +24.8% | 4.36 +13.5% | 4.00 +4.0% | 3.69 -4.0% | 3.43 -10.9% | 3.20 -16.8% | 3.00 -22.0% | 2.82 -26.6% | 2.67 -30.7% | |
| 49 | 4.90 +27.4% | 4.45 +15.8% | 4.08 +6.2% | 3.77 -2.0% | 3.50 -9.0% | 3.27 -15.1% | 3.06 -20.4% | 2.88 -25.1% | 2.72 -29.2% | |
| 50 | 5.00 +30.0% | 4.55 +18.2% | 4.17 +8.3% | 3.85 standard | 3.57 -7.1% | 3.33 -13.3% | 3.12 -18.8% | 2.94 -23.5% | 2.78 -27.8% | |
| 51 | 5.10 +32.6% | 4.64 +20.5% | 4.25 +10.5% | 3.92 +2.0% | 3.64 -5.3% | 3.40 -11.6% | 3.19 -17.1% | 3.00 -22.0% | 2.83 -26.3% | |
| 52 | 5.20 +35.2% | 4.73 +22.9% | 4.33 +12.7% | 4.00 +4.0% | 3.71 -3.4% | 3.47 -9.9% | 3.25 -15.5% | 3.06 -20.5% | 2.89 -24.9% | |
Specifications
| Manufacturer | JT Sprockets |
|---|---|
| Product code | JTA853.40BLK |
| Sprocket material | 7075-T6 Aluminium Alloy |
| Chain pitch | 520 |
| Number of teeth | 40 |
| Product code | JTA853.41BLK |
| Sprocket material | 7075-T6 Aluminium Alloy |
| Chain pitch | 520 |
| Number of teeth | 41 |
| Product code | JTA853.43BLK |
| Sprocket material | 7075-T6 Aluminium Alloy |
| Chain pitch | 520 |
| Number of teeth | 43 |
| Product code | JTA853.44BLK |
| Number of teeth | 44 |
| Color | Black |
| Material | 7075-T6 Aluminum |
| Model | Yamaha |
| Position | Rear |
| Type | Rear |
| Units | Each |
| Sprocket material | 7075-T6 Aluminium Alloy |
| Chain pitch | 520 |
| Product code | JTA853.46BLK |
| Color | Black |
| Material | 7075-T6 Aluminum |
| Model | Yamaha |
| Position | Rear |
| Units | Each |
| Sprocket material | 7075-T6 Aluminium Alloy |
| Chain pitch | 520 |
| Number of teeth | 46 |
| Type | Rear |
| Product code | JTA853.48BLK |
| Color | Black |
| Material | 7075-T6 Aluminum |
| Model | Yamaha |
| Position | Rear |
| Type | Rear |
| Units | Each |
| Sprocket material | 7075-T6 Aluminium Alloy |
| Chain pitch | 520 |
| Number of teeth | 48 |
| Product code | JTA853.49BLK |
| Sprocket material | 7075-T6 Aluminium Alloy |
| Chain pitch | 520 |
| Number of teeth | 49 |
| Color | Black |
| Material | 7075-T6 Aluminum |
| Position | Rear |
| Style | Lightweight |
| Type | Drive |
| Units | Each |
| Product code | JTA853.50BLK |
| Color | Black |
| Material | 7075-T6 Aluminum |
| Model | Yamaha |
| Position | Rear |
| Type | Rear |
| Units | Each |
| Sprocket material | 7075-T6 Aluminium Alloy |
| Chain pitch | 520 |
| Number of teeth | 50 |
| Product code | JTA853.51BLK |
| Color | Black |
| Material | 7075-T6 Aluminum |
| Model | Yamaha |
| Position | Rear |
| Units | Each |
| Sprocket material | 7075-T6 Aluminium Alloy |
| Chain pitch | 520 |
| Number of teeth | 51 |
| Type | Rear |
| Product code | JTA853.52BLK |
| Color | Black |
| Material | 7075-T6 Aluminum |
| Model | Yamaha |
| Position | Rear |
| Units | Each |
| Chain pitch | 520 |
| Number of teeth | 52 |
| Type | Rear |
| Sprocket material | 7075-T6 Aluminium Alloy |
Fits to following motorcycles:
YAMAHA YZ 250 (1977 - 1998), YAMAHA YZ 125 (1980 - 1998), YAMAHA IT 465 (1981 - 1982), YAMAHA IT 250 (1977 - 1984), YAMAHA IT 490 (1983 - 1984), YAMAHA YZ 100 (1982 - 1983), YAMAHA YZ 490 (1982 - 1989), YAMAHA YZ 400 F (1977 - 1998), YAMAHA TT R 250 (1989 - 2006), YAMAHA TT 350 S (1986 - 1992), YAMAHA TT 500 (1977 - 1980), YAMAHA YFZ 350 BANSHEE (1989 - 2006), YAMAHA SR 500 (1991 - 1999), YAMAHA YFS 200 BLASTER (1988 - 2006), YAMAHA IT 200 (1984 - 1986), YAMAHA XT 500 (1977 - 2002), YAMAHA WR 250 (1990 - 1998), YAMAHA YFM 350 WARRIOR (1989 - 2004), YAMAHA MX 250 (1975 - 1976), YAMAHA YFM 660 R RAPTOR (2001 - 2005), YAMAHA IT 400 (1977 - 1979), YAMAHA DT 200 (1984 - 1993), YAMAHA WR 400 F (1998 - 1998), YAMAHA WR 500 (1992 - 1994), YAMAHA XT 400 (1981 - 1982), YAMAHA WR 200 R (1991 - 1993), YAMAHA YZ 465 (1980 - 1981), YAMAHA IT 175 (1980 - 1983), YAMAHA YTZ 250 (1985 - 1986)