JT SPROCKETS rubber-cushioned Front Sprocket for KTM, HUSQVARNA, BETA, GAS GAS and HUSABERG 1983-2027

JT SPROCKETS rubber-cushioned Front Sprocket for KTM, HUSQVARNA, BETA, GAS GAS and HUSABERG 1983-2027

Name: JT SPROCKETS rubber-cushioned Front Sprocket for KTM, HUSQVARNA, BETA, GAS GAS and HUSABERG 1983-2027
Brand: JT SPROCKETS
SKU: JTF1901.1
Price: 10.9 EUR
Availability: InStock

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€10.90

Tax Included

Supplier stock, shipped within 2 to 5 days.

JT SPROCKETS silencieux front sprocket for KTM EXC, EXCF, GS, MX, MXC, SX, SXF, XC, XCF, XCFW, XCW 125, 144, 150, 200, 250, 300, 350, 360, 380, 400, 450, 500, 505, 520, 525, 530, HUSQVARNA FC, FE, FS, FX, TC, TE, TX 125, 150, 250, 300, 350, 450, 501, GAS GAS EC, ECF, ES, EX, EXF, MC, MCF 125, 150, 250, 300, 350, 450, 500, BETA RR, RX, XTRAINER 125, 200, 250, 300, 350, 390, 400, 430, 450, 480, 498, 520, 525 and HUSABERG FE, TE 125, 250, 300, 390, 450, 550, 570, 650 from 1983 to 2027. Available in 13 Teeth, 14 Teeth.

The JT SPROCKETS silencieux front sprocket is designed for KTM EXC 125, EXC 150, EXC 200, EXC 250, EXC 300, EXC 360, EXC 380, EXC 400, EXC 450, EXC 500, EXC 520, EXC 525, EXC 530, EXCF 250, EXCF 350, EXCF 450, EXCF 500, GS 250, GS 300, MX 125, MX 250, MXC 200, MXC 380, MXC 400, MXC 520, MXC 525, SX 125, SX 144, SX 150, SX 200, SX 250, SX 300, SX 360, SX 380, SX 450, SX 520, SX 525, SXF 250, SXF 350, SXF 450, SXF 505, XC 125, XC 150, XC 200, XC 250, XC 300, XC 450, XC 525, XCF 250, XCF 350, XCF 450, XCF 505, XCFW 250, XCFW 350, XCFW 450, XCFW 500, XCW 125, XCW 150, XCW 200, XCW 250, XCW 300, XCW 400, XCW 450, XCW 500, XCW 525, XCW 530, HUSQVARNA FC 250, FC 350, FC 450, FE 250, FE 350, FE 450, FE 501, FS 450, FX 350, FX 450, TC 125, TC 150, TC 250, TC 300, TE 125, TE 150, TE 250, TE 300, TX 125, TX 300, GAS GAS EC 125, EC 250, EC 300, ECF 250, ECF 350, ECF 450, ECF 500, ES 350, EX 250, EX 300, EXF 250, EXF 350, EXF 450, MC 125, MC 150, MC 250, MC 300, MCF 250, MCF 350, MCF 450, BETA RR 125, RR 200, RR 250, RR 300, RR 350, RR 390, RR 400, RR 430, RR 450, RR 480, RR 498, RR 520, RR 525, RX 250, RX 300, RX 350, RX 450, XTRAINER 250, XTRAINER 300 and HUSABERG FE 390, FE 450, FE 550, FE 570, FE 650, TE 125, TE 250, TE 300 from 1983 to 2027. The front sprocket drives the chain at the gearbox output. Small and working hard, it wears faster than the rear sprocket: it's also the simplest way to change the bike's gearing.

Specifications

Brand: JT SPROCKETS
Manufacturer part numbers: JTF1901.13RB, JTF1901.14RB
Rubber noise damper, like the original
Material: steel
Available versions: 13 Teeth: ref. JTF1901.13RB; 14 Teeth: ref. JTF1901.14RB
Weight: 130 g

Choosing the right number of teeth

Start from the stock number of teeth. One tooth less on the front sprocket shortens the gearing (more acceleration, ideal on tight terrain); one tooth more lengthens it (more speed on fast tracks). One tooth on the front sprocket is worth roughly three to four teeth on the rear sprocket.

When to replace it?

Teeth thinned, pointed or hooked.
Chain that jumps or slaps under acceleration.
Play between the sprocket and the shaft, or marked splines.

Check it every time you service the chain and replace it along with the rear sprocket and the chain. Many riders change the front sprocket with every new chain, because it wears much faster than the rear sprocket.

Fitting tips

Loosen the sprocket nut or bolt while holding the rear wheel with the brake, before slackening the chain.
Clean the countershaft and check the oil seal behind the sprocket.
Fit the sprocket the right way round, with a lock washer or threadlocker as on the original assembly, and tighten to the manufacturer's torque.
Set the chain tension and lube it with chain lube.

Why JT SPROCKETS?

Its front sprockets are made from SCM420 chromium-molybdenum steel, and the MX models are fully heat-treated and feature self-cleaning grooves. The steel rear sprockets are made from induction-hardened high-carbon steel, and the RaceLite rear sprockets for racing are CNC-machined from certified 7075-T6 (Ergal) aluminium.

Spare parts and items to plan

Rear sprocket : RENTHAL · MOTO-MASTER 7075
Drive chain : AFAM · RENTHAL
Chain lube : LIQUI MOLY 400 ml · MUC OFF

Frequently asked questions

Should the rear sprocket be changed too?
If it's worn, yes: a new front sprocket running on a tired rear sprocket and chain is worn out within a few hours.

Compatibility

Check the exact model and year of your bike in the list below before ordering.

BrandJT SPROCKETS

Reference JTF1901.13RB

In stock19 Items

Specific References

Click on your bike to see all compatible parts.

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JT SPROCKETS rubber-cushioned Front Sprocket for KTM, HUSQVARNA, BETA, GAS GAS and HUSABERG 1983-2027

€10.90

Tax Included


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JT SPROCKETS rubber-cushioned Front Sprocket for KTM, HUSQVARNA, BETA, GAS GAS and HUSABERG 1983-2027

Specifications

Choosing the right number of teeth

When to replace it?

Fitting tips

Why JT SPROCKETS?

Spare parts and items to plan

Frequently asked questions

Compatibility

JT SPROCKETS rubber-cushioned Front Sprocket for KTM, HUSQVARNA, BETA, GAS GAS and HUSABERG 1983-2027